| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/09/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/15/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |