| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/22/12 | Current report filing |
|
3 | ||
| 02/22/12 | Current report filing |
|
12 | ||
| 02/21/12 | Statement of changes in beneficial ownership of securities |
|
2 |
