| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | |
| 03/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/15/11 | 3 | Initial statement of beneficial ownership of securities |
|
4 | |
| 09/13/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/12/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/06/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
