| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/10/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/09/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/21/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/20/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/18/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/13/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/13/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/13/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/11/12 | Statement of changes in beneficial ownership of securities |
|
1 |