| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/28/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/28/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/28/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/20/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/20/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/20/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/14/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/17/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/12/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 09/11/12 | Statement of changes in beneficial ownership of securities |
|
1 |