| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/24/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/14/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/10/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/08/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/08/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/19/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 03/18/13 | Statement of changes in beneficial ownership of securities |
|
1 |