| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/07/13 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 03/07/13 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 02/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/02/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 03/12/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 |
