| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/17/19 | 8-K | Form 8-K: Current report filing | 43 | |
| 04/02/19 | DEF 14A | Form DEF 14A: Definitive proxy statements | 46 | |
| 03/13/19 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 164 | |
| 03/13/19 | 8-K | Form 8-K: Current report filing | 9 | |
| 03/07/19 | 8-K | Form 8-K: Current report filing | 3 | |
| 03/01/19 | 8-K | Form 8-K: Current report filing | 3 | |
| 02/14/19 | 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 | |
| 02/11/19 | 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 | |
| 02/11/19 | 8-K | Form 8-K: Current report filing | 3 | |
| 02/08/19 | 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 | 9 |