| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/31/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/16/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
