| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/27/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/25/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/23/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/17/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/03/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
