| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 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 |
|
2 |
