| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
