| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13G | Jan 5, 2022 | ||
| 4 | Open Document | Open Filing | Jan 5, 2022 | Jan 3, 2022 | 001-38474 | |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 13, 2019 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2018 | May 2, 2018 | 001-38474 |