| 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 | ||
| 02/15/12 | Current report filing |
|
19 | ||
| 02/14/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
8 |