| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
