| 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 |
|
1 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/18/12 | CORRESP | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. |
|
3 | |
| 05/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |