| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/14/12 | Current report filing |
|
3 | ||
| 05/08/12 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
109 | |
| 05/03/12 | Current report filing |
|
69 | ||
| 05/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/03/12 | Definitive proxy statements |
|
109 |