| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/04/18 | 5 | Annual statement of changes in beneficial ownership of securities |   | 2 | |
| 01/03/18 | 5 | Annual statement of changes in beneficial ownership of securities |   | 1 | |
| 01/03/18 | 4/A | Statement of changes in beneficial ownership of securities |   | 1 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 01/02/18 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 11/21/17 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
