| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/22/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/22/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 09/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
