| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 03/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 03/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 03/12/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |