| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/14/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
4 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/12/13 | Statement of changes in beneficial ownership of securities |
|
3 | ||
| 11/29/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/16/12 | Statement of changes in beneficial ownership of securities |
|
2 |