| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/13/20 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/04/20 | SEC STAFF LETTER |
|
2 | ||
| 12/04/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/27/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/21/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/20/19 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
