| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/17/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/17/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/17/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/17/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/17/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/15/12 | Current report filing |
|
19 |