| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/19/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/18/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/28/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/16/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/16/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/07/18 | Statement of changes in beneficial ownership of securities |
|
2 |