| Date | Form | Description | Docs | XBRL | Pages |
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/14/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/13/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/05/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 03/04/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
