| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/05/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/14/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/06/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/27/11 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 08/22/11 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
