| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 12/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 10/25/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 06/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 05/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/12 | 3/A | Initial statement of beneficial ownership of securities |
|
1 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |