| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/01/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/30/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/29/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/28/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/10/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/07/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 01/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/31/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/27/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 |