| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/24/14 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 02/24/14 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 07/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/18/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 11/18/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 04/12/11 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 10/05/10 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 10/05/10 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 12/17/09 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/07/08 | Statement of changes in beneficial ownership of securities |
|
2 |