| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/04/13 | 5 | Form 5: Annual statement of changes in beneficial ownership of securities | 1 | |
| 02/01/13 | 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 | 5 | |
| 01/31/13 | 8-K | Form 8-K: Current report filing | 30 | |
| 01/30/13 | 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 | 4 | |
| 01/04/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 01/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/21/12 | 8-K | Form 8-K: Current report filing | 10 | |
| 12/14/12 | 8-K | Form 8-K: Current report filing | 7 |