| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/07/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 01/31/13 | Annual statement of changes in beneficial ownership of securities |
|
3 | ||
| 12/21/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/02/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 10/29/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 10/29/12 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 10/29/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 09/07/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 09/07/12 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 08/28/12 | Statement of changes in beneficial ownership of securities |
|
3 |
