| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/20/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/09/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/01/13 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/26/13 | Quarterly report pursuant to Section 13 or 15(d) |
|
  |
190 |