| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | |
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
