| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/06/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/23/18 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 57 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/19/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |