| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/17/13 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 04/17/13 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 04/17/13 | 3 | Initial statement of beneficial ownership of securities |
|
3 |