| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/25/11 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 05/11/11 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 07/23/10 | 5 | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 07/23/10 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 07/23/10 | 5 | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 08/04/09 | 5 | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 07/14/09 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 07/14/09 | 5 | Annual statement of changes in beneficial ownership of securities |
|
1 | |
| 06/25/09 | 5/A | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 06/11/09 | 5/A | Annual statement of changes in beneficial ownership of securities |
|
2 |
