| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/29/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 1 | |
| 04/25/13 | CORRESP | Form CORRESP: A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 4 | |
| 04/15/13 | UPLOAD | Form UPLOAD: SEC-generated letter | 3 | |
| 04/12/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/12/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/12/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 8-K | Form 8-K: Current report filing | 31 | |
| 03/26/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 155 | |
| 03/12/13 | 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 | 7 | |
| 02/19/13 | 8-K | Form 8-K: Current report filing | 16 |
