| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/18/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/15/13 | 5 | Annual statement of changes in beneficial ownership of securities |
|
2 | |
| 12/26/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/18/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
