| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/22/18 | 8-K | Current report filing |   | 23 | |
| 02/22/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/09/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |   |       | 91 | 
| 01/19/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/18/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/27/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/24/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/14/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |   |       | 105 | 
| 11/08/17 | 8-K | Current report filing |   | 4 | 

