| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/06/12 | SC 13G/A | 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 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/12 | 8-K | Current report filing |
|
5 | |
| 12/30/11 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 12/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |