| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/19/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 06/08/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/11/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/11/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/23/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/05/12 | Statement of changes in beneficial ownership of securities |
|
1 |