| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/24/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/19/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 |
