| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/20/18 | 8-K | Form 8-K: Current report filing | 24 | |
| 03/13/18 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
137 |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/28/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
