| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/23/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
2 | ||
| 11/23/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/23/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/16/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/15/11 | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
24 | |
| 11/14/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/09/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/07/11 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/04/11 | Current report filing |
|
12 | ||
| 08/18/11 | Statement of changes in beneficial ownership of securities |
|
3 |
