| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/04/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/02/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/26/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/26/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/21/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/14/18 | Statement of changes in beneficial ownership of securities |
|
2 |