| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/16/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
