| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
