| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Aug 25, 2025 | Aug 25, 2025 | |
| SCHEDULE 13G/A | Open Document | Open Filing | Aug 14, 2025 | 005-51875 | ||
| S-8 | Open Document | Data | Open Filing | S-8 | Aug 5, 2025 | 333-289273 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 5, 2025 | Jun 30, 2025 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 5, 2025 | Aug 5, 2025 | 000-21937 |
| SCHEDULE 13G/A | Open Document | Open Filing | Jul 30, 2025 | 005-51875 | ||
| 8-K | Open Document | Open Filing | 8-K | Jun 23, 2025 | Jun 16, 2025 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 9, 2025 | Jun 3, 2025 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Jun 4, 2025 | Jun 3, 2025 | |
| SD | Open Document | Open Filing | SD | May 30, 2025 | 000-21937 | |
| DEFA14A | Open Document | Open Filing | DEFA14A | May 23, 2025 | 000-21937 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 1, 2025 | Mar 31, 2025 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 1, 2025 | May 1, 2025 | 000-21937 |
| ARS | Open Document | Open Filing | ARS | Apr 23, 2025 | Dec 31, 2024 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 23, 2025 | 000-21937 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Apr 23, 2025 | Apr 23, 2025 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Mar 17, 2025 | Mar 13, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 17, 2025 | Mar 13, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 17, 2025 | Mar 13, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 17, 2025 | Mar 13, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 17, 2025 | Mar 13, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2025 | Mar 6, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2025 | Mar 6, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2025 | Mar 6, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2025 | Mar 6, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2025 | Mar 6, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 144 | Open Document | Open Filing | Mar 4, 2025 | 000-21937 | ||
| 144 | Open Document | Open Filing | Mar 3, 2025 | 000-21937 | ||
| 144 | Open Document | Open Filing | Mar 3, 2025 | 000-21937 | ||
| 4 | Open Document | Open Filing | 4 | Feb 28, 2025 | Feb 26, 2025 | |
| 4 | Open Document | Open Filing | 4 | Feb 28, 2025 | Feb 26, 2025 | |
| 4 | Open Document | Open Filing | 4 | Feb 28, 2025 | Feb 26, 2025 | |
| 4 | Open Document | Open Filing | 4 | Feb 28, 2025 | Feb 26, 2025 | |
| 4 | Open Document | Open Filing | 4 | Feb 28, 2025 | Feb 26, 2025 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 26, 2025 | Dec 31, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 20, 2025 | Feb 20, 2025 | 000-21937 |
| SCHEDULE 13G/A | Open Document | Open Filing | Feb 14, 2025 | 005-51875 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 6, 2025 | Feb 2, 2025 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 13, 2025 | Jan 13, 2025 | 000-21937 |
| SCHEDULE 13G/A | Open Document | Open Filing | Jan 10, 2025 | 005-51875 | ||
| 4 | Open Document | Open Filing | 4 | Jan 2, 2025 | Dec 13, 2024 | |
| 4 | Open Document | Open Filing | 4 | Dec 16, 2024 | Dec 12, 2024 | |
| 4 | Open Document | Open Filing | 4 | Dec 16, 2024 | Dec 16, 2024 | |
| 144 | Open Document | Open Filing | Dec 16, 2024 | 000-21937 | ||
| 144 | Open Document | Open Filing | Dec 12, 2024 | 000-21937 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 9, 2024 | Dec 9, 2024 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Nov 12, 2024 | 005-51875 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Oct 31, 2024 | Sep 30, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 30, 2024 | Oct 30, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 16, 2024 | Oct 16, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Sep 5, 2024 | Sep 3, 2024 | |
| 144 | Open Document | Open Filing | Sep 4, 2024 | 000-21937 | ||
| 144 | Open Document | Open Filing | Sep 3, 2024 | 000-21937 | ||
| 4 | Open Document | Open Filing | 4 | Aug 19, 2024 | Aug 15, 2024 | |
| 144 | Open Document | Open Filing | Aug 15, 2024 | 000-21937 | ||
| 4 | Open Document | Open Filing | 4 | Aug 7, 2024 | Aug 2, 2024 | |
| 144 | Open Document | Open Filing | Aug 2, 2024 | 000-21937 | ||
| S-8 | Open Document | Open Filing | S-8 | Aug 1, 2024 | 333-281197 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 1, 2024 | Jun 30, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 1, 2024 | Aug 1, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | 4 | Jul 2, 2024 | Jul 1, 2024 | |
| 3 | Open Document | Open Filing | 3 | Jul 2, 2024 | Jul 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jul 2, 2024 | Jul 1, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 11, 2024 | Jun 5, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2024 | Jun 5, 2024 | |
| SD | Open Document | Open Filing | SD | May 31, 2024 | 000-21937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2024 | May 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2024 | May 10, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2024 | May 9, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2024 | May 9, 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 2, 2024 | Mar 31, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 2, 2024 | May 2, 2024 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 26, 2024 | 000-21937 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Apr 26, 2024 | Apr 25, 2024 | 000-21937 |
| ARS | Open Document | Open Filing | ARS | Apr 26, 2024 | Dec 31, 2023 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 19, 2024 | Mar 19, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2024 | Mar 12, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2024 | Mar 8, 2024 | |
| 144 | Open Document | Open Filing | Mar 8, 2024 | 000-21937 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2024 | Mar 1, 2024 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Mar 5, 2024 | Dec 31, 2023 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 5, 2024 | Mar 5, 2024 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2024 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 13, 2024 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jan 29, 2024 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | Jan 26, 2024 | 005-51875 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 8, 2024 | Jan 8, 2024 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 5, 2024 | Jan 4, 2024 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 13, 2023 | Dec 13, 2023 | |
| EFFECT | Open Document | Open Filing | Nov 15, 2023 | 333-275284 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Nov 13, 2023 | 005-51875 | |
| CORRESP | Open Document | Open Filing | Nov 13, 2023 | |||
| UPLOAD | Open Document | Open Filing | Nov 9, 2023 | |||
| S-8 | Open Document | Open Filing | S-8 | Nov 2, 2023 | 333-275285 | |
| S-3 | Open Document | Open Filing | S-3 | Nov 2, 2023 | 333-275284 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 2, 2023 | Sep 30, 2023 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 2, 2023 | Nov 2, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 23, 2023 | Aug 22, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 23, 2023 | Aug 21, 2023 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 3, 2023 | Jun 30, 2023 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 2, 2023 | Aug 2, 2023 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 12, 2023 | Jun 7, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2023 | Jun 7, 2023 | |
| SD | Open Document | Open Filing | SD | May 31, 2023 | 000-21937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2023 | May 26, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2023 | May 24, 2023 | |
| DEFA14A | Open Document | Open Filing | DEFA14A | May 24, 2023 | 000-21937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2023 | May 23, 2023 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 4, 2023 | Mar 31, 2023 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 4, 2023 | May 4, 2023 | 000-21937 |
| EFFECT | Open Document | Open Filing | May 3, 2023 | 333-251302 | ||
| ARS | Open Document | Open Filing | ARS | May 1, 2023 | Dec 31, 2022 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 28, 2023 | 000-21937 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Apr 28, 2023 | 000-21937 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Apr 5, 2023 | Mar 31, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 12, 2023 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 10, 2023 | Mar 10, 2023 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2023 | Mar 1, 2023 | |
| POS AM | Open Document | Open Filing | POS AM | Mar 1, 2023 | 333-251302 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Mar 1, 2023 | Dec 31, 2022 | 000-21937 |
| POSASR | Open Document | Open Filing | POSASR | Mar 1, 2023 | 333-251302 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 28, 2023 | Feb 28, 2023 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2023 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 10, 2023 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 10, 2023 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 10, 2023 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 9, 2023 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 3 | Feb 3, 2023 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | Jan 31, 2023 | 005-51875 | ||
| SC 13G/A | Open Document | Open Filing | PRIMECAP MANAGEMENT CO/CA/ | Jan 9, 2023 | 005-51875 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 9, 2023 | Jan 9, 2023 | 000-21937 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 3, 2023 | Dec 28, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 30, 2022 | Dec 28, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 14, 2022 | Nov 10, 2022 | |
| UPLOAD | Open Document | Open Filing | Nov 4, 2022 | |||
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 3, 2022 | Sep 30, 2022 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 3, 2022 | Nov 3, 2022 | 000-21937 |
| CORRESP | Open Document | Open Filing | Oct 24, 2022 | |||
| UPLOAD | Open Document | Open Filing | Sep 23, 2022 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2022 | Aug 15, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2022 | Aug 9, 2022 | |
| S-8 | Open Document | Open Filing | S-8 | Aug 4, 2022 | 333-266546 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 4, 2022 | Jun 30, 2022 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 4, 2022 | Aug 4, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 12, 2022 | Jul 1, 2022 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 12, 2022 | Jul 1, 2022 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jul 5, 2022 | Jun 30, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 2, 2022 | Jun 1, 2022 | 000-21937 |
| SD | Open Document | Open Filing | SD | May 31, 2022 | 000-21937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2022 | May 10, 2022 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 5, 2022 | Mar 31, 2022 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 5, 2022 | May 5, 2022 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 5, 2022 | May 2, 2022 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 22, 2022 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 22, 2022 | Jun 1, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2022 | Mar 12, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2022 | Mar 12, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2022 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2022 | Mar 12, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2022 | Mar 12, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2022 | Mar 12, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2022 | Mar 12, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2022 | Mar 4, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2022 | Feb 25, 2022 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 22, 2022 | Dec 31, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 22, 2022 | Feb 22, 2022 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC13G/A | Feb 14, 2022 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | PRIMECAP MANAGEMENT CO/CA/ | Feb 10, 2022 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 9, 2022 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 9, 2022 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 2 | Feb 4, 2022 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | Feb 1, 2022 | 005-51875 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 10, 2022 | Jan 10, 2022 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2022 | Jan 3, 2022 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 23, 2021 | Dec 21, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 21, 2021 | Dec 17, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2021 | Dec 13, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2021 | Nov 9, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2021 | Nov 5, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2021 | Nov 3, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2021 | Nov 3, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2021 | Nov 3, 2021 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 2, 2021 | Sep 30, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 2, 2021 | Nov 2, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2021 | Sep 5, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2021 | Aug 6, 2021 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 10, 2021 | Aug 6, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2021 | Aug 3, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2021 | Aug 4, 2021 | |
| S-8 | Open Document | Open Filing | S-8 | Aug 3, 2021 | 333-258425 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 3, 2021 | Jun 30, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 3, 2021 | Aug 3, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 7, 2021 | Jun 2, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | |
| SD | Open Document | Open Filing | SD | May 28, 2021 | 000-21937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2021 | May 18, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2021 | Apr 30, 2021 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 4, 2021 | Mar 31, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 4, 2021 | May 4, 2021 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 23, 2021 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 23, 2021 | Jun 2, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 20, 2021 | Apr 16, 2021 | |
| PRE 14A | Open Document | Open Filing | PRE 14A | Apr 2, 2021 | Jun 2, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 31, 2021 | Mar 26, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 2, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2021 | Mar 4, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 25, 2021 | Dec 31, 2020 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 25, 2021 | Feb 25, 2021 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2021 | Feb 16, 2021 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 16, 2021 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 16, 2021 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 12, 2021 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2021 | Feb 8, 2021 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 11, 2021 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 10, 2021 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 1 | Feb 5, 2021 | 005-51875 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 29, 2021 | Jan 25, 2021 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | Jan 29, 2021 | 005-51875 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 11, 2021 | Jan 11, 2021 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 6, 2021 | Dec 31, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 28, 2020 | Dec 22, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 28, 2020 | Dec 22, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 28, 2020 | Dec 22, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2020 | Dec 14, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2020 | Dec 11, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2020 | Dec 11, 2020 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 11, 2020 | Dec 11, 2020 | 000-21937 |
| 424B5 | Open Document | Open Filing | 424B5 | Dec 11, 2020 | 333-251302 | |
| S-3ASR | Open Document | Open Filing | S-3ASR | Dec 11, 2020 | 333-251302 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 11, 2020 | Dec 11, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2020 | Nov 17, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2020 | Nov 10, 2020 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Oct 29, 2020 | Sep 30, 2020 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 29, 2020 | Oct 29, 2020 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Oct 9, 2020 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 6, 2020 | Oct 5, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2020 | Sep 5, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 1, 2020 | Aug 29, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 26, 2020 | Aug 26, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 26, 2020 | Aug 24, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 26, 2020 | Aug 24, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2020 | Aug 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2020 | Aug 7, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2020 | Aug 7, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2020 | Aug 10, 2020 | |
| S-8 | Open Document | Open Filing | S-8 | Aug 4, 2020 | 333-240491 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 4, 2020 | Jun 30, 2020 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 4, 2020 | Aug 4, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 9, 2020 | Jul 7, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2020 | Jun 25, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2020 | Jun 5, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2020 | Jun 5, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2020 | Jun 5, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2020 | Jun 5, 2020 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 8, 2020 | Jun 3, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2020 | Jun 1, 2020 | |
| SD | Open Document | Open Filing | SD | May 29, 2020 | 000-21937 | |
| 8-K | Open Document | Data | Open Filing | 8-K | May 28, 2020 | May 21, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2020 | May 12, 2020 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 5, 2020 | Mar 31, 2020 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 5, 2020 | May 5, 2020 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 24, 2020 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 24, 2020 | Jun 3, 2020 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 23, 2020 | Apr 22, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 12, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 4, 2020 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 2, 2020 | Mar 1, 2020 | 000-21937 |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 21, 2020 | Dec 31, 2019 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 20, 2020 | Feb 20, 2020 | 000-21937 |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 14, 2020 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2020 | Feb 11, 2020 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Feb 13, 2020 | Jan 29, 2020 | |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 12, 2020 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 12, 2020 | 005-51875 | |
| SC 13G | Open Document | Open Filing | Feb 12, 2020 | 005-51875 | ||
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | Feb 11, 2020 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 6, 2020 | Jan 29, 2020 | |
| CT ORDER | Open Document | Open Filing | Feb 5, 2020 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Feb 5, 2020 | 000-21937 | ||
| SC 13G/A | Open Document | Open Filing | Feb 5, 2020 | 005-51875 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2020 | Jan 29, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2020 | Jan 29, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2020 | Jan 29, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2020 | Jan 29, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2020 | Jan 29, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2020 | Jun 5, 2019 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 30, 2020 | Jan 28, 2020 | 000-21937 |
| 424B5 | Open Document | Open Filing | 424B5 | Jan 30, 2020 | 333-219727 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 28, 2020 | Jan 13, 2020 | 000-21937 |
| 424B5 | Open Document | Open Filing | 424B5 | Jan 28, 2020 | 333-219727 | |
| SC 13G/A | Open Document | Open Filing | ELK CREEK PARTNERS, LLC | Jan 23, 2020 | 005-51875 | |
| CT ORDER | Open Document | Open Filing | Dec 26, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Dec 26, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Dec 26, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Dec 26, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Dec 26, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Dec 26, 2019 | 000-21937 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2019 | Dec 4, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2019 | Nov 1, 2019 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Oct 30, 2019 | Sep 30, 2019 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 30, 2019 | Oct 30, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 28, 2019 | Oct 25, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 15, 2019 | Oct 9, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2019 | Oct 4, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2019 | Oct 2, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 24, 2019 | Sep 24, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 18, 2019 | Sep 16, 2019 | |
| CT ORDER | Open Document | Open Filing | Sep 17, 2019 | 000-21937 | ||
| SEC STAFF LETTER | Open Document | Open Filing | Sep 10, 2019 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2019 | Sep 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2019 | Aug 30, 2019 | |
| SEC STAFF LETTER | Open Document | Open Filing | Aug 30, 2019 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2019 | Aug 16, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2019 | Aug 7, 2019 | |
| SC 13G | Open Document | Open Filing | ELK CREEK PARTNERS, LLC | Aug 9, 2019 | 005-51875 | |
| S-8 | Open Document | Open Filing | S-8 | Aug 1, 2019 | 333-232960 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 1, 2019 | Jun 30, 2019 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Aug 1, 2019 | Aug 1, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2019 | Jun 5, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2019 | Jun 4, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2019 | Jun 4, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2019 | Jun 4, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2019 | Jun 4, 2019 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 6, 2019 | Jun 5, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2019 | Jun 4, 2019 | |
| SD | Open Document | Open Filing | FORM SD | May 31, 2019 | 000-21937 | |
| CT ORDER | Open Document | Open Filing | May 30, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | May 30, 2019 | 000-21937 | ||
| DEFA14A | Open Document | Open Filing | DEFA14A | May 23, 2019 | 000-21937 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 7, 2019 | Mar 31, 2019 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | May 7, 2019 | May 7, 2019 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 26, 2019 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 26, 2019 | Jun 5, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 22, 2019 | Apr 22, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 10, 2019 | Apr 10, 2019 | |
| 8-K | Open Document | Open Filing | 8-K | Apr 1, 2019 | Mar 29, 2019 | 000-21937 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 14, 2019 | Mar 10, 2019 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 14, 2019 | Mar 10, 2019 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 14, 2019 | Mar 10, 2019 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 14, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 12, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2019 | Mar 10, 2019 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2019 | Mar 4, 2019 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 6, 2019 | Mar 4, 2019 | |
| 15-12G | Open Document | Open Filing | 15-12G | Mar 5, 2019 | 000-21937 | |
| 8-A12G/A | Open Document | Open Filing | 8-A12G/A | Mar 5, 2019 | 000-21937 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 5, 2019 | Mar 1, 2019 | 000-21937 |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 27, 2019 | Dec 31, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Feb 26, 2019 | Feb 26, 2019 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2019 | 005-51875 | |
| CT ORDER | Open Document | Open Filing | Feb 13, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Feb 13, 2019 | 000-21937 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2019 | Feb 11, 2019 | |
| SC 13G/A | Open Document | Open Filing | ELK CREEK PARTNERS, LLC | Feb 8, 2019 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 8, 2019 | 005-51875 | |
| CT ORDER | Open Document | Open Filing | Feb 6, 2019 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Feb 6, 2019 | 000-21937 | ||
| SC 13G/A | Open Document | Open Filing | Feb 4, 2019 | 005-51875 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 11, 2019 | Jan 10, 2019 | |
| 8-K | Open Document | Open Filing | 8-K | Jan 7, 2019 | Jan 7, 2019 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 31, 2018 | Dec 28, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2018 | Dec 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2018 | Nov 12, 2018 | |
| CT ORDER | Open Document | Open Filing | Nov 13, 2018 | 000-21937 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 1, 2018 | Sep 30, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Nov 1, 2018 | Nov 1, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Oct 16, 2018 | Oct 16, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 11, 2018 | Oct 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 9, 2018 | Oct 5, 2018 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 9, 2018 | Oct 5, 2018 | |
| 8-K | Open Document | Open Filing | 8-K | Oct 9, 2018 | Oct 5, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 1, 2018 | Sep 27, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2018 | Sep 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 7, 2018 | Sep 5, 2018 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 7, 2018 | Sep 5, 2018 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Sep 6, 2018 | Sep 5, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 30, 2018 | Aug 28, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2018 | Aug 28, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2018 | Aug 29, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2018 | Aug 14, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2018 | Aug 10, 2018 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 2, 2018 | Jun 30, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Aug 2, 2018 | Aug 2, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 26, 2018 | Jul 25, 2018 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 11, 2018 | Jun 6, 2018 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 11, 2018 | Jun 6, 2018 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 11, 2018 | Jun 6, 2018 | |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 11, 2018 | Jun 6, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2018 | Jun 6, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2018 | Jun 6, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2018 | Jun 6, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 22, 2018 | Jun 6, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2018 | Jun 8, 2018 | |
| 8-K | Open Document | Open Filing | 8-K | Jun 7, 2018 | Jun 6, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2018 | Jun 4, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2018 | Jun 5, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2018 | Jun 5, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2018 | Jun 5, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2018 | Jun 5, 2018 | |
| SD | Open Document | Open Filing | SD | May 31, 2018 | 000-21937 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2018 | May 18, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2018 | May 16, 2018 | |
| CT ORDER | Open Document | Open Filing | May 18, 2018 | 000-21937 | ||
| 8-K | Open Document | Open Filing | 8-K | May 15, 2018 | May 11, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2018 | May 11, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2018 | May 11, 2018 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 8, 2018 | Mar 31, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 8, 2018 | May 8, 2018 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 27, 2018 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 27, 2018 | Jun 6, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Apr 23, 2018 | Apr 17, 2018 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2018 | Mar 12, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 10, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 13, 2018 | Mar 12, 2018 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Mar 8, 2018 | Dec 31, 2017 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2018 | Mar 1, 2018 | |
| 8-K | Open Document | Open Filing | 8-K | Mar 8, 2018 | Mar 8, 2018 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 27, 2018 | 005-51875 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 23, 2018 | Feb 16, 2018 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 5 | Feb 13, 2018 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | ELK CREEK PARTNERS, LLC | Feb 13, 2018 | 005-51875 | |
| 8-K | Open Document | Open Filing | 8-K | Feb 1, 2018 | Jan 30, 2018 | 000-21937 |
| 424B5 | Open Document | Open Filing | 424B5 | Feb 1, 2018 | 333-219727 | |
| 424B5 | Open Document | Open Filing | 424B5 | Jan 30, 2018 | 333-219727 | |
| SC 13G/A | Open Document | Open Filing | Jan 29, 2018 | 005-51875 | ||
| EFFECT | Open Document | Open Filing | Jan 8, 2018 | 333-219727 | ||
| 424B5 | Open Document | Open Filing | 424B5 | Jan 8, 2018 | 333-219727 | |
| 8-K | Open Document | Open Filing | 8-K | Jan 8, 2018 | Jan 8, 2018 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Jan 5, 2018 | Jan 1, 2018 | 000-21937 |
| CORRESP | Open Document | Open Filing | Jan 5, 2018 | |||
| S-3/A | Open Document | Open Filing | S-3/A | Dec 29, 2017 | 333-219727 | |
| CT ORDER | Open Document | Open Filing | Dec 21, 2017 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Dec 21, 2017 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Nov 27, 2017 | 000-21937 | ||
| S-3/A | Open Document | Open Filing | S-3/A | Nov 6, 2017 | 333-219727 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 3, 2017 | Sep 30, 2017 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Nov 2, 2017 | Nov 2, 2017 | 000-21937 |
| CT ORDER | Open Document | Open Filing | Oct 10, 2017 | 000-21937 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 31, 2017 | Aug 29, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2017 | Aug 15, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2017 | Aug 10, 2017 | |
| UPLOAD | Open Document | Open Filing | Aug 10, 2017 | |||
| CT ORDER | Open Document | Open Filing | Aug 8, 2017 | 000-21937 | ||
| S-8 | Open Document | Open Filing | FORM S-8 | Aug 4, 2017 | 333-219730 | |
| S-3 | Open Document | Open Filing | FORM S-3 | Aug 4, 2017 | 333-219727 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Aug 4, 2017 | Jun 30, 2017 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 3, 2017 | Aug 3, 2017 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Aug 2, 2017 | Jul 31, 2017 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2017 | Jun 6, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2017 | Jun 6, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2017 | Jun 6, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2017 | Jun 6, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2017 | Jun 6, 2017 | |
| 8-K | Open Document | Open Filing | 8-K | Jun 8, 2017 | Jun 7, 2017 | 000-21937 |
| 10-K/A | Open Document | Open Filing | FORM 10-K AMENDMENT NO. 1 | May 31, 2017 | Dec 31, 2016 | 000-21937 |
| DEFR14A | Open Document | Open Filing | DEFR14A | May 31, 2017 | 000-21937 | |
| SD | Open Document | Open Filing | SD | May 31, 2017 | 000-21937 | |
| 8-K | Open Document | Open Filing | 8-K | May 24, 2017 | May 23, 2017 | 000-21937 |
| SC 13G | Open Document | Open Filing | ELK CREEK PARTNERS, LLC | May 8, 2017 | 005-51875 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 4, 2017 | Mar 31, 2017 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | May 3, 2017 | May 3, 2017 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 28, 2017 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 28, 2017 | Jun 7, 2017 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Apr 17, 2017 | Apr 13, 2017 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2017 | Mar 10, 2017 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Mar 8, 2017 | Dec 31, 2016 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Mar 7, 2017 | Mar 7, 2017 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2017 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | 13G/A | Feb 13, 2017 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 9, 2017 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | Jan 23, 2017 | 005-51875 | ||
| CT ORDER | Open Document | Open Filing | Jan 17, 2017 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Jan 17, 2017 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Jan 17, 2017 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Nov 15, 2016 | 333-11341 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 4, 2016 | Sep 30, 2016 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 3, 2016 | Nov 3, 2016 | 000-21937 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 25, 2016 | Oct 19, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2016 | Sep 30, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2016 | Sep 22, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2016 | Sep 15, 2016 | |
| CT ORDER | Open Document | Open Filing | Sep 15, 2016 | 000-21937 | ||
| S-8 | Open Document | Open Filing | S-8 | Aug 31, 2016 | 333-213411 | |
| 8-K | Open Document | Open Filing | 8-K | Aug 31, 2016 | Aug 31, 2016 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 24, 2016 | Aug 22, 2016 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 5, 2016 | Jun 30, 2016 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Aug 4, 2016 | Aug 4, 2016 | 000-21937 |
| CT ORDER | Open Document | Open Filing | Jul 5, 2016 | 000-21937 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2016 | Jun 8, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2016 | Jun 8, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2016 | Jun 8, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2016 | Jun 8, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2016 | Jun 8, 2016 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 9, 2016 | Jun 8, 2016 | 000-21937 |
| SD | Open Document | Open Filing | SD | May 31, 2016 | 000-21937 | |
| SC 13G/A | Open Document | Open Filing | May 10, 2016 | 005-51875 | ||
| 424B5 | Open Document | Open Filing | 424B5 | May 6, 2016 | 333-198005 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 6, 2016 | Mar 31, 2016 | 000-21937 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 3, 2016 | May 3, 2016 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 29, 2016 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 29, 2016 | Jun 8, 2016 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2016 | Mar 11, 2016 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Mar 9, 2016 | Dec 31, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 8, 2016 | Mar 8, 2016 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | |
| CT ORDER | Open Document | Open Filing | Feb 29, 2016 | 000-21937 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 16, 2016 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 12, 2016 | 005-51875 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 12, 2016 | 005-51875 | |
| CT ORDER | Open Document | Open Filing | Feb 3, 2016 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Feb 3, 2016 | 000-21937 | ||
| SC 13G | Open Document | Open Filing | Jan 29, 2016 | 005-51875 | ||
| SC 13G/A | Open Document | Open Filing | Jan 26, 2016 | 005-51875 | ||
| 8-K | Open Document | Open Filing | 8-K | Dec 29, 2015 | Dec 23, 2015 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2015 | Dec 10, 2015 | |
| CT ORDER | Open Document | Open Filing | Nov 9, 2015 | 000-21937 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 6, 2015 | Sep 30, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Nov 5, 2015 | Nov 5, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Oct 21, 2015 | Oct 19, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Oct 2, 2015 | Sep 29, 2015 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2015 | Sep 1, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 2, 2015 | Aug 20, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2015 | Aug 19, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2015 | Aug 14, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2015 | Aug 13, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2015 | Aug 13, 2015 | |
| S-8 | Open Document | Open Filing | S-8 | Aug 7, 2015 | 333-206231 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 7, 2015 | Jun 30, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 6, 2015 | Aug 6, 2015 | 000-21937 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 30, 2015 | Jul 21, 2015 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 15, 2015 | Jun 10, 2015 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2015 | Jun 10, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2015 | Jun 10, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2015 | Jun 10, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2015 | Jun 10, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2015 | Jun 10, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2015 | Jun 4, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2015 | Jun 1, 2015 | |
| SD | Open Document | Open Filing | SD | Jun 1, 2015 | 000-21937 | |
| DEFA14A | Open Document | Open Filing | DEFA14A | May 27, 2015 | 000-21937 | |
| CT ORDER | Open Document | Open Filing | May 27, 2015 | 000-21937 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 8, 2015 | Mar 31, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | May 5, 2015 | May 5, 2015 | 000-21937 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | May 4, 2015 | Dec 31, 2014 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFINITIVE ADDITIONAL MATERIALS | Apr 30, 2015 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEFINITIVE PROXY STATEMENT | Apr 30, 2015 | Jun 10, 2015 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 28, 2015 | Apr 24, 2015 | |
| CT ORDER | Open Document | Open Filing | Mar 30, 2015 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Mar 26, 2015 | 000-21937 | ||
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Mar 16, 2015 | Dec 31, 2014 | 000-21937 |
| SC 13G | Open Document | Open Filing | SC 13G | Mar 6, 2015 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2015 | Mar 5, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2015 | Mar 2, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2015 | Mar 2, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2015 | Mar 2, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2015 | Mar 2, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2015 | Mar 2, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2015 | Mar 2, 2015 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 26, 2015 | Feb 26, 2015 | 000-21937 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G HOLDINGS REPORT | Feb 17, 2015 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2015 | Feb 5, 2015 | |
| CT ORDER | Open Document | Open Filing | Feb 6, 2015 | 000-21937 | ||
| SC 13G/A | Open Document | Open Filing | Feb 2, 2015 | 005-51875 | ||
| CT ORDER | Open Document | Open Filing | Jan 30, 2015 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Jan 30, 2015 | 000-21937 | ||
| SC 13G/A | Open Document | Open Filing | Jan 26, 2015 | 005-51875 | ||
| 424B5 | Open Document | Open Filing | 424(B)(5) | Jan 7, 2015 | 333-198005 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jan 7, 2015 | Jan 6, 2015 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jan 5, 2015 | Jan 5, 2015 | 000-21937 |
| 424B5 | Open Document | Open Filing | 424(B)(5) | Jan 5, 2015 | 333-198005 | |
| 8-K | Open Document | Open Filing | 8-K | Dec 24, 2014 | Dec 23, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2014 | Dec 18, 2014 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Dec 11, 2014 | 005-51875 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2014 | Dec 8, 2014 | |
| EFFECT | Open Document | Open Filing | Nov 12, 2014 | 333-198005 | ||
| 4 | Open Document | Open Filing | Nov 12, 2014 | Nov 10, 2014 | ||
| 424B5 | Open Document | Open Filing | 424(B)(5) | Nov 12, 2014 | 333-198005 | |
| 424B5 | Open Document | Open Filing | 424(B)(5) | Nov 12, 2014 | 333-198005 | |
| S-3/A | Open Document | Open Filing | AMENDMENT NO. 1 TO FORM S-3 | Nov 10, 2014 | 333-198005 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 7, 2014 | Sep 30, 2014 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 4, 2014 | Nov 4, 2014 | 000-21937 |
| CT ORDER | Open Document | Open Filing | Oct 31, 2014 | 000-21937 | ||
| 4 | Open Document | Open Filing | Oct 6, 2014 | Oct 3, 2014 | ||
| 10-Q/A | Open Document | Open Filing | 10-Q/A | Sep 22, 2014 | Jun 30, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | Aug 15, 2014 | Aug 14, 2014 | ||
| SC 13G/A | Open Document | Open Filing | Aug 11, 2014 | 005-51875 | ||
| S-3 | Open Document | Open Filing | S-3 | Aug 8, 2014 | 333-198005 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 8, 2014 | Jun 30, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | Aug 5, 2014 | Aug 1, 2014 | ||
| 8-K | Open Document | Open Filing | 8-K | Jul 31, 2014 | Jul 31, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | Jul 11, 2014 | Jun 11, 2014 | ||
| 4 | Open Document | Open Filing | Jul 11, 2014 | Jun 11, 2014 | ||
| 4 | Open Document | Open Filing | Jul 11, 2014 | Jun 11, 2014 | ||
| 4 | Open Document | Open Filing | Jul 11, 2014 | Jun 11, 2014 | ||
| 4 | Open Document | Open Filing | Jul 11, 2014 | Jun 11, 2014 | ||
| 8-K | Open Document | Open Filing | 8-K | Jul 3, 2014 | Jun 30, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | Jun 24, 2014 | Jun 23, 2014 | ||
| 4 | Open Document | Open Filing | Jun 23, 2014 | Jun 19, 2014 | ||
| 8-K | Open Document | Open Filing | Jun 16, 2014 | Jun 11, 2014 | 000-21937 | |
| SD | Open Document | Open Filing | FORM SD | Jun 2, 2014 | 000-21937 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 12, 2014 | Mar 31, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | May 6, 2014 | May 5, 2014 | ||
| 4 | Open Document | Open Filing | May 6, 2014 | May 5, 2014 | ||
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | May 1, 2014 | Dec 31, 2013 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | May 1, 2014 | May 1, 2014 | 000-21937 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 30, 2014 | 000-21937 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 30, 2014 | Jun 11, 2014 | 000-21937 |
| CT ORDER | Open Document | Open Filing | Apr 7, 2014 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Apr 7, 2014 | 000-21937 | ||
| CT ORDER | Open Document | Open Filing | Apr 7, 2014 | 000-21937 | ||
| PRE 14A | Open Document | Open Filing | PRE 14A | Apr 4, 2014 | Jun 11, 2014 | 000-21937 |
| 4 | Open Document | Open Filing | Apr 4, 2014 | Nov 8, 2013 | ||
| 4 | Open Document | Open Filing | Apr 3, 2014 | Apr 2, 2014 | ||
| 3 | Open Document | Open Filing | Mar 31, 2014 | Mar 24, 2014 | ||
| 4 | Open Document | Open Filing | Mar 31, 2014 | Mar 28, 2014 | ||
| 4 | Open Document | Open Filing | Mar 31, 2014 | Nov 19, 2013 | ||
| 4 | Open Document | Open Filing | Mar 28, 2014 | Mar 26, 2014 | ||
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 25, 2014 | Mar 24, 2014 | 000-21937 |
| 8-K | Open Document | Open Filing | 8-K | Mar 21, 2014 | Mar 21, 2014 | 000-21937 |
| 424B5 | Open Document | Open Filing | 424B5 | Mar 21, 2014 | 333-178480 | |
| 8-K | Open Document | Open Filing | 8-K | Mar 10, 2014 | Mar 7, 2014 | 000-21937 |
| 10-K | Open Document | Data | Open Filing | 10-K | Mar 7, 2014 | Dec 31, 2013 | 000-21937 |
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 4/A | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 4 | Open Document | Open Filing | Mar 4, 2014 | Mar 3, 2014 | ||
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 28, 2014 | Feb 25, 2014 | 000-21937 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 25, 2014 | Feb 25, 2014 | 000-21937 |
| SC 13G/A | Open Document | Open Filing | Feb 14, 2014 | 005-51875 | ||
| SC 13G/A | Open Document | Open Filing | Jan 28, 2014 | 005-51875 | ||
| CT ORDER | Open Document | Open Filing | Jan 8, 2014 | 000-21937 | ||
| SC 13G/A | Open Document | Open Filing | Jan 7, 2014 | 005-51875 |