| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/20/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/02/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/02/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 07/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 07/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/20/12 | 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 | ||
| 03/14/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/13/12 | Statement of changes in beneficial ownership of securities |
|
2 |