| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/08/12 | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
24 | |
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/27/12 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/27/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/27/12 | Current report filing |
|
5 | ||
| 04/20/12 | Current report filing |
|
12 | ||
| 03/27/12 | Annual report to security holders |
|
62 |
