| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/08/13 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 02/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
