| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/08/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/04/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 12/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/28/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 11/07/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/30/12 | 4/A | Statement of changes in beneficial ownership of securities |
|
3 | |
| 08/23/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 08/22/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
