| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 04/29/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/22/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/20/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/08/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 02/08/13 | Statement of changes in beneficial ownership of securities |
|
3 |
