| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/21/18 | SC 13D | Form SC 13D: General Statement of Acquisition of Beneficial Ownership | 10 | |
| 02/20/18 | SC 13D | Form SC 13D: General Statement of Acquisition of Beneficial Ownership | 17 | |
| 02/20/18 | SC 13D | Form SC 13D: General Statement of Acquisition of Beneficial Ownership | 12 | |
| 02/09/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/09/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/08/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/29/18 | 8-K | Form 8-K: Current report | 46 | |
| 01/25/18 | 424B4 | Form 424B4: Prospectus [Rule 424(b)(4)] | 159 |