| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/20/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |