| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/16/12 | 3 | Initial statement of beneficial ownership of securities |
|
4 | |
| 07/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/07/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/29/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/21/11 | 4 | Statement of changes in beneficial ownership of securities |
|
4 | |
| 04/01/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/28/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/28/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
