| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/10/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |   |       | 34 | 
| 05/09/18 | 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 |   | 5 | |
| 04/04/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/15/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/15/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/15/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/15/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/15/18 | 8-K | Current report filing |   | 3 | |
| 03/14/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |