| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/12/12 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 09/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/08/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
