| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/16/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 07/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/04/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/21/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/21/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/21/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/21/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/21/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/16/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/15/12 | Statement of changes in beneficial ownership of securities |
|
1 |