| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/02/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/21/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/05/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/03/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 11/27/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
