| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/01/13 | 3 | Initial statement of beneficial ownership of securities |
|
4 | |
| 02/01/13 | 3 | Initial statement of beneficial ownership of securities |
|
4 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 09/08/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/29/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
