| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/25/18 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/11/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/05/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/05/18 | 8-K | Form 8-K: Current report | 4 | |
| 01/03/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/12/17 | 8-K | Form 8-K: Current report | 29 | |
| 12/07/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/04/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/16/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/07/17 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |