| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
