| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/12/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/01/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/01/11 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/15/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/12/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
