| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/22/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/22/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/16/12 | UPLOAD | SEC-generated letter |
|
3 | |
| 05/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
