| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | |
| 01/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/16/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/14/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/11/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/17/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/17/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/17/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/17/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |