| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/03/11 | 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 |
|
6 | |
| 02/03/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
