| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/18/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/10/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/09/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/09/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/02/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/18/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/10/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/10/12 | Statement of changes in beneficial ownership of securities |
|
2 |
