While doing some preliminary ixbrl work for our 2Q19 Form 10Q, I tagged the EIN on the cover page. I am getting an error when I generate. I notice on the tag detail that it should be nine digits, but with the dash it is 10. Do we need to remove the dash? If so, should this be a phantom tag rather than tagged on the actual cover page so that we can show the dash on the cover page?