| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/13/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 59 | |
| 03/22/18 | 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 | 7 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/19/18 | 8-K | Form 8-K: Current report filing | 2 | |
| 03/13/18 | 8-K | Form 8-K: Current report filing | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/12/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |