| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/25/13 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 03/12/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/23/13 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 |