| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/29/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/16/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/09/12 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 09/10/12 | Initial statement of beneficial ownership of securities |
|
3 | ||
| 08/22/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/29/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 06/01/12 | Statement of changes in beneficial ownership of securities |
|
2 |