| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/14/13 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 11/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 07/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
