| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/12/13 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 02/12/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/12/13 | 3 | Initial statement of beneficial ownership of securities |
|
1 |
