| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/27/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/20/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/17/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/12/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/10/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/04/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |