| Date | Form | Description | Docs | XBRL | Pages |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/28/12 | 8-K | Current report filing |
|
3 | |
| 02/14/12 | 10-Q | Quarterly report pursuant to sections 13 or 15(d) |
|
|
27 |
| 02/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |