| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | |
| 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 | |
| 02/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/10/12 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |