| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/30/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 07/10/12 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 05/03/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/23/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/21/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/09/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/09/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/09/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/13/11 | Statement of changes in beneficial ownership of securities |
|
1 |