| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
