Sister company of CananbixBreathtec is a sister company of Cannabix. Not sure if the same Yost team in Florida is part of Breathtec, but in reading it appear the same type of technology is being used for the development of the THC breathalyzer.
Here's one news realeae which includes the scope of what the sister company is involved with. Sounds serious to me, and so should Cannabix
https://globalnews.ca/news/3238263/can-this-breath-test-tell-if-you-have-cancer-or-one-of-16-other-diseases/