| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/26/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
