| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/07/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/07/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/07/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/02/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/21/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/13/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 12/03/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/20/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/09/12 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 11/02/12 | Statement of changes in beneficial ownership of securities |
|
1 |