| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/10/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/09/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/09/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
