| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/05/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/05/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 02/05/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/06/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 12/03/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 11/05/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 10/15/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/19/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 09/10/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 07/27/12 | Statement of changes in beneficial ownership of securities |
|
2 |
