| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/12 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 03/07/12 | 3/A | Initial statement of beneficial ownership of securities |
|
2 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/18/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/11 | 3 | Initial statement of beneficial ownership of securities |
|
3 |
