| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/23/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/08/18 | Statement of changes in beneficial ownership of securities | 1 | |||
| 11/01/17 | Statement of changes in beneficial ownership of securities | 1 | |||
| 10/27/17 | Statement of changes in beneficial ownership of securities | 1 |