| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/14/12 | SC 13G | Form SC 13G: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 5 | |
| 02/14/12 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 9 | |
| 01/25/12 | 8-K | Form 8-K: Current report filing | 3 | |
| 01/11/12 | 8-K | Form 8-K: Current report filing | 96 | |
| 10/27/11 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |
