| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/25/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |