| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/08/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 03/25/13 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 03/21/13 | Initial statement of beneficial ownership of securities |
|
1 | ||
| 08/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 08/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/08/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/08/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/08/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/08/12 | Statement of changes in beneficial ownership of securities |
|
2 |