| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/25/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/04/11 | 3/A | Initial statement of beneficial ownership of securities |
|
2 | |
| 01/14/11 | 3/A | Initial statement of beneficial ownership of securities |
|
1 | |
| 01/04/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/23/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/23/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/18/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/04/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/25/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/28/10 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
