| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/16/10 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/14/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/09/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/09/10 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 |
