| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/30/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |