| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/09/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
