| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 3 | Statement of changes in beneficial ownership of securities |
|
2 |