| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/23/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/23/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 01/23/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/04/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/28/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/27/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/05/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/31/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 10/31/12 | Initial statement of beneficial ownership of securities |
|
2 | ||
| 10/29/12 | Statement of changes in beneficial ownership of securities |
|
2 |