| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/07/12 | Current report filing |
|
4 | ||
| 05/01/12 | Current report filing |
|
40 | ||
| 04/10/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions |
|
5 | ||
| 04/05/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/03/12 | Annual statement of changes in beneficial ownership of securities |
|
2 |