| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/24/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/18/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/31/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
