| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/15/13 | 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 | |
| 12/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
