| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/25/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/20/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/23/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/21/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/13/18 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/08/18 | Statement of changes in beneficial ownership of securities |
|
2 |