| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/01/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/28/13 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
1 |