| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/21/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/17/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/15/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/13/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/06/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/03/13 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/03/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/03/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/03/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/03/13 | Statement of changes in beneficial ownership of securities |
|
2 |