| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/10/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/07/11 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 02/14/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |