| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/15/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/11/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/11/19 | 4/A | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/09/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/09/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/29/19 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |   |       | 238 | 
| 03/27/19 | 8-K | Current report filing |   | 13 | |
| 03/11/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
