| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/05/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/05/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/01/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/30/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/15/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/16/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
