| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| NT 10-K | Open Document | Open Filing | 31 Mar 2023 | 31 Dec 2022 | 000-29381 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 09 Dec 2022 | 09 Dec 2022 | 000-29381 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q AMENDMENT 1 | 15 Nov 2022 | 30 Sep 2022 | 000-29381 |
| 10-Q | Open Document | Open Filing | FORM 10-Q | 14 Nov 2022 | 30 Sep 2022 | 000-29381 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 22 Aug 2022 | 30 Jun 2022 | 000-29381 |
| NT 10-Q | Open Document | Open Filing | EXTENSION | 16 Aug 2022 | 30 Jun 2022 | 000-29381 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 20 May 2022 | 31 Mar 2022 | 000-29381 |
| NT 10-Q | Open Document | Open Filing | EXTENSION | 16 May 2022 | 31 Mar 2022 | 000-29381 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | 18 Apr 2022 | 31 Dec 2021 | 000-29381 |
| NT 10-K | Open Document | Open Filing | NOTIFICATION OF LATE FILING | 31 Mar 2022 | 31 Dec 2021 | 000-29381 |
| 10-Q | Open Document | Data | Open Filing | 12 Nov 2021 | 30 Sep 2021 | 000-29381 | |
| 8-K | Open Document | Data | Open Filing | 13 Sep 2021 | 09 Sep 2021 | 000-29381 | |
| 8-K | Open Document | Data | Open Filing | 08 Sep 2021 | 08 Sep 2021 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 24 Aug 2021 | 30 Jun 2021 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 16 Aug 2021 | 30 Jun 2021 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 24 May 2021 | 31 Mar 2021 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 17 May 2021 | 31 Mar 2021 | 000-29381 | |
| 10-K | Open Document | Data | Open Filing | 16 Apr 2021 | 31 Dec 2020 | 000-29381 | |
| NT 10-K | Open Document | Open Filing | FORM 12B-25 NOTICE OF LATE FILING | 30 Mar 2021 | 31 Dec 2020 | 000-29381 |
| 8-K | Open Document | Open Filing | FORM 8K CURRENT REPORT | 15 Mar 2021 | 01 Jan 2021 | 000-29381 |
| 8-K | Open Document | Open Filing | FORM 8K CURRENT REPORT | 26 Feb 2021 | 07 Feb 2021 | 000-29381 |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A AMENDED CURRENT REPORT | 23 Dec 2020 | 09 Oct 2020 | 000-29381 |
| D | Open Document | Open Filing | 01 Dec 2020 | 021-381905 | ||
| 10-Q | Open Document | Data | Open Filing | 16 Nov 2020 | 30 Sep 2020 | 000-29381 | |
| 8-K/A | Open Document | Open Filing | 21 Oct 2020 | 09 Oct 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 20 Oct 2020 | 09 Oct 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 10 Sep 2020 | 02 Sep 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 21 Aug 2020 | 12 Aug 2020 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 14 Aug 2020 | 30 Jun 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 07 Aug 2020 | 30 Jul 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 30 Jul 2020 | 29 Jul 2020 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 24 Jun 2020 | 31 Mar 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 17 Jun 2020 | 21 May 2020 | 000-29381 | |
| 144 | Open Document | Open Filing | 16 Jun 2020 | 000-29381 | ||
| 10-K | Open Document | Data | Open Filing | 28 May 2020 | 31 Dec 2019 | 000-29381 | |
| 8-K | Open Document | Open Filing | 26 May 2020 | 04 May 2020 | 000-29381 | |
| 8-K | Open Document | Open Filing | 14 May 2020 | 14 May 2020 | 000-29381 | |
| NT 10-K | Open Document | Open Filing | 14 May 2020 | 31 Dec 2019 | 000-29381 | |
| 8-K | Open Document | Open Filing | 30 Mar 2020 | 27 Mar 2020 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 11 Mar 2020 | 30 Sep 2019 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 27 Feb 2020 | 30 Jun 2019 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 18 Feb 2020 | 31 Mar 2019 | 000-29381 | |
| 10-K | Open Document | Data | Open Filing | 20 Dec 2019 | 31 Dec 2018 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 14 Nov 2019 | 30 Sep 2019 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 15 Aug 2019 | 30 Jun 2019 | 000-29381 | |
| 8-K | Open Document | Open Filing | 25 Jun 2019 | 24 Jun 2019 | 000-29381 | |
| 8-K | Open Document | Open Filing | 11 Jun 2019 | 05 Jun 2019 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 15 May 2019 | 31 Mar 2019 | 000-29381 | |
| NT 10-K | Open Document | Open Filing | 29 Mar 2019 | 31 Dec 2018 | 000-29381 | |
| 8-K | Open Document | Open Filing | 01 Mar 2019 | 13 Feb 2019 | 000-29381 | |
| 8-K | Open Document | Open Filing | 15 Feb 2019 | 13 Feb 2019 | 000-29381 | |
| S-8 POS | Open Document | Open Filing | 04 Jan 2019 | 333-228820 | ||
| S-8 | Open Document | Open Filing | 14 Dec 2018 | 333-228820 | ||
| 10-Q | Open Document | Data | Open Filing | 13 Nov 2018 | 30 Sep 2018 | 000-29381 | |
| 8-K | Open Document | Open Filing | 29 Oct 2018 | 26 Oct 2018 | 000-29381 | |
| 144/A | Open Document | Open Filing | 24 Sep 2018 | 000-29381 | ||
| 8-K | Open Document | Open Filing | 21 Sep 2018 | 28 Aug 2017 | 000-29381 | |
| 144 | Open Document | Open Filing | 20 Sep 2018 | 000-29381 | ||
| 10-Q | Open Document | Data | Open Filing | 14 Aug 2018 | 30 Jun 2018 | 000-29381 | |
| 144 | Open Document | Open Filing | 20 Jun 2018 | 000-29381 | ||
| 8-K | Open Document | Open Filing | 15 Jun 2018 | 08 Jun 2018 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 14 May 2018 | 31 Mar 2018 | 000-29381 | |
| 8-K | Open Document | Open Filing | 03 May 2018 | 26 Apr 2018 | 000-29381 | |
| 10-K | Open Document | Data | Open Filing | 02 Apr 2018 | 31 Dec 2017 | 000-29381 | |
| 144 | Open Document | Open Filing | 14 Mar 2018 | 000-29381 | ||
| 10-Q/A | Open Document | Open Filing | 05 Jan 2018 | 30 Sep 2017 | 000-29381 | |
| UPLOAD | Open Document | Open Filing | 28 Nov 2017 | |||
| 10-Q/A | Open Document | Open Filing | 24 Nov 2017 | 30 Jun 2017 | 000-29381 | |
| 10-Q/A | Open Document | Open Filing | 24 Nov 2017 | 31 Mar 2017 | 000-29381 | |
| 10-K/A | Open Document | Open Filing | 24 Nov 2017 | 31 Dec 2016 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 08 Nov 2017 | 30 Sep 2017 | 000-29381 | |
| CORRESP | Open Document | Open Filing | 03 Nov 2017 | |||
| UPLOAD | Open Document | Open Filing | 02 Nov 2017 | |||
| 10-Q | Open Document | Data | Open Filing | 14 Aug 2017 | 30 Jun 2017 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 12 May 2017 | 31 Mar 2017 | 000-29381 | |
| 10-K | Open Document | Data | Open Filing | 14 Apr 2017 | 31 Dec 2016 | 000-29381 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2017 | 31 Dec 2016 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 18 Nov 2016 | 30 Sep 2016 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 14 Nov 2016 | 30 Sep 2016 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 17 Aug 2016 | 30 Jun 2016 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 12 Aug 2016 | 30 Jun 2016 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 16 May 2016 | 31 Mar 2016 | 000-29381 | |
| 10-K | Open Document | Data | Open Filing | 14 Apr 2016 | 31 Dec 2015 | 000-29381 | |
| NT 10-K | Open Document | Open Filing | 30 Mar 2016 | 30 Dec 2015 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 12 Nov 2015 | 30 Sep 2015 | 000-29381 | |
| 144/A | Open Document | Open Filing | 09 Oct 2015 | 000-29381 | ||
| 144 | Open Document | Open Filing | 16 Sep 2015 | 000-29381 | ||
| 10-Q | Open Document | Data | Open Filing | 19 Aug 2015 | 30 Jun 2015 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 14 Aug 2015 | 30 Jun 2015 | 000-29381 | |
| 144 | Open Document | Open Filing | 11 Jun 2015 | 000-29381 | ||
| 10-Q | Open Document | Data | Open Filing | 20 May 2015 | 31 Mar 2015 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 15 May 2015 | 31 Mar 2015 | 000-29381 | |
| 10-K | Open Document | Data | Open Filing | 15 Apr 2015 | 31 Dec 2014 | 000-29381 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2015 | 31 Dec 2014 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 17 Nov 2014 | 30 Sep 2014 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 14 Nov 2014 | 30 Sep 2014 | 000-29381 | |
| 10-Q/A | Open Document | Open Filing | 24 Oct 2014 | 30 Jun 2014 | 000-29381 | |
| 8-K | Open Document | Open Filing | 15 Oct 2014 | 15 Oct 2014 | 000-29381 | |
| 10-Q | Open Document | Data | Open Filing | 19 Aug 2014 | 30 Jun 2014 | 000-29381 | |
| NT 10-Q | Open Document | Open Filing | 13 Aug 2014 | 30 Jun 2014 | 000-29381 | |
| 424B1 | Open Document | Open Filing | PROSPECTUS | 08 Aug 2014 | 333-195866 | |
| EFFECT | Open Document | Open Filing | 06 Aug 2014 | 333-195866 | ||
| CORRESP | Open Document | Open Filing | 06 Aug 2014 | |||
| S-1/A | Open Document | Open Filing | 06 Aug 2014 | 333-195866 | ||
| CORRESP | Open Document | Open Filing | 05 Aug 2014 | |||
| S-1/A | Open Document | Data | Open Filing | 05 Aug 2014 | 333-195866 | ||
| UPLOAD | Open Document | Open Filing | 01 Aug 2014 | |||
| CORRESP | Open Document | Open Filing | 18 Jul 2014 | |||
| S-1/A | Open Document | Data | Open Filing | 18 Jul 2014 | 333-195866 | ||
| UPLOAD | Open Document | Open Filing | 15 Jul 2014 | |||
| CORRESP | Open Document | Open Filing | 07 Jul 2014 | |||
| S-1/A | Open Document | Data | Open Filing | 03 Jul 2014 | 333-195866 | ||
| UPLOAD | Open Document | Open Filing | 24 Jun 2014 | |||
| CORRESP | Open Document | Open Filing | 28 May 2014 | |||
| UPLOAD | Open Document | Open Filing | 19 May 2014 | |||
| CORRESP | Open Document | Open Filing | 16 May 2014 | |||
| S-1/A | Open Document | Data | Open Filing | 16 May 2014 | 333-195866 | ||
| S-1 | Open Document | Data | Open Filing | 12 May 2014 | 333-195866 |