| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/25/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/25/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/22/11 | 5/A | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 01/26/11 | 5/A | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 01/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 12/15/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/03/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/12/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/12/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |