| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/20/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
