| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/19/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/01/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/17 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/02/17 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/24/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/19/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/19/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/19/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 08/19/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 |
