| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/12/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/23/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
