| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/06/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |