| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/20/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/04/19 | Annual statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/17/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/17/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/17/19 | Statement of changes in beneficial ownership of securities |
|
2 |