| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/13/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
