| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/15/19 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 05/15/19 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 05/15/19 | Statement of changes in beneficial ownership of securities |
|
4 | ||
| 02/22/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/19/19 | Statement of changes in beneficial ownership of securities |
|
2 |