| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/05/12 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 02/21/12 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 02/17/12 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 02/16/12 | Initial statement of beneficial ownership of securities |
|
1 |
