| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/28/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/28/13 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 01/22/13 | 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 | |
| 01/14/13 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 13 | |
| 12/21/12 | 8-K | Form 8-K: Current report filing | 3 |