| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/13/12 | 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 | ||
| 02/06/12 | Current report filing |
|
8 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/06/12 | Statement of changes in beneficial ownership of securities |
|
4 | ||
| 02/02/12 | Current report filing |
|
9 | ||
| 11/08/11 | Quarterly report pursuant to Section 13 or 15(d) |
|
 |
28 | |
| 11/07/11 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 10/27/11 | Current report filing |
|
9 |