| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/01/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/01/19 | 8-K/A | Form 8-K/A: Current report filing | 20 | |
| 03/01/19 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 195 | |
| 02/28/19 | 8-K | Form 8-K: Current report filing | 41 | |
| 02/19/19 | 8-K | Form 8-K: Current report filing | 3 | |
| 02/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/14/19 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 7 |