| Date | Form | Description | Docs | XBRL | Pages |
| 03/26/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/25/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/25/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/22/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/22/13 | 144 | Filing for proposed sale of securities under Rule 144 |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/21/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
