| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/04/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 03/04/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/25/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/22/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/22/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/20/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/19/13 | Statement of changes in beneficial ownership of securities | 1 | |||
| 02/14/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 4 | |||
| 02/07/13 | Annual report pursuant to Section 13 and 15(d) | ZIP | 112 | ||
| 02/07/13 | Current report filing | 12 |