| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/22/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |