This is about the same neutron flux that every passenger on a Jet is exposed to.
IOW - it means there is a low grade nuclear reaction - probably neutron "stripping" and that is the good news, but the energy content is absurdly low. I suspect they are a factor of 10^7 away from breakeven. Maybe "purrratio" relates to the energy content of a cat's purr. You can do better with a Farnsworth Fusor. "A neutron detector was installed in about 1m distance from the plasma to detect neutrons. As detector a commercially available instrument from Berthold Technologies LB 123 with a read out electronic LB 6411 was used. The detector measures a constant back-ground radiation of about 0,010uSv/h without plasma jet operation. At appropriate experimental conditions a neutron signal of 3uSv/h can be generated during burning of the plasma in 95% D2O vapour."
