| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | ||
| 12/04/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/04/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/22/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/16/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/12/18 | Statement of changes in beneficial ownership of securities |
|
2 |