| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/01/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/31/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 3 | |||
| 01/28/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/28/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/23/13 | A correspondence can be sent as a document with another submission type or can be sent as a separate submission. | 4 | |||
| 01/22/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/17/13 | Current report filing | 6 | |||
| 01/10/13 | SEC-generated letter | 2 | |||
| 01/08/13 | Current report filing | 15 | |||
| 01/08/13 | Quarterly report pursuant to Section 13 or 15(d) | ZIP | 51 |