| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/14/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 10/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
