| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/11/13 | 3 | Initial statement of beneficial ownership of securities |
|
3 | |
| 03/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |