| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/20/13 | Current report filing |
|
6 | ||
| 02/19/13 | Current report filing |
|
5 | ||
| 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 | ||
| 02/06/13 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
5 | ||
| 01/07/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/07/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/07/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/20/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/20/12 | Current report filing |
|
285 | ||
| 12/07/12 | Current report filing |
|
5 |