| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/17/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/17/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
