| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/21/18 | SC 13D/A | Form SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 13 | |
| 12/20/18 | SC 13D/A | Form SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 5 | |
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/19/18 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 12/17/18 | 8-K | Form 8-K: Current report filing | 63 | |
| 12/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 12/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 12/14/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 |