| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/21/13 | Current report filing | 5 | |||
| 02/15/13 | Annual statement of changes in beneficial ownership of securities | 1 | |||
| 02/13/13 | Current report filing | 4 | |||
| 02/01/13 | Current report filing | 4 | |||
| 01/29/13 | Current report filing | 5 | |||
| 01/22/13 | Current report filing | 4 | |||
| 01/16/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/16/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/16/13 | Initial statement of beneficial ownership of securities | 1 | |||
| 01/07/13 | Current report filing | 9 |