| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/16/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 02/13/13 | 4/A | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 02/11/13 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 01/15/13 | 4 | Statement of changes in beneficial ownership of securities |
|
3 | |
| 01/09/13 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 12/03/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
