| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/30/18 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] |
|
163 |
| 05/30/18 | SD | Form SD: Specialized disclosure report | 4 | |
| 05/24/18 | 8-K | Form 8-K: Current report | 14 | |
| 05/02/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 1 | |
| 04/30/18 | 8-K | Form 8-K: Current report | 24 | |
| 04/10/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |