| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/25/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 02/20/13 | 8-K | Form 8-K: Current report filing | 8 | |
| 02/12/13 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 3 | |
| 02/06/13 | 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 | 6 | |
| 02/05/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 16 | |
| 02/05/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 3 | |
| 02/04/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 2 | |
| 02/04/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 02/04/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 01/29/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |