| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/16/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
