| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/18/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 05/18/12 | 3 | Initial statement of beneficial ownership of securities |
|
1 | |
| 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 | |
| 05/10/12 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |
|
   |
32 |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |