| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/10/12 | Initial statement of beneficial ownership of securities |
|
1 |
