| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |