| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/22/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 04/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/26/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/12/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/11/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
