| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/09/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/25/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
