| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/27/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities |
|
16 | ||
| 04/18/12 | Current report filing |
|
14 | ||
| 04/18/12 | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities |
|
16 | ||
| 04/09/12 | Annual report to security holders |
|
1 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 04/03/12 | Statement of changes in beneficial ownership of securities |
|
1 |