| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/18/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/18/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/18/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/10 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 05/27/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/27/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
