There was one publically known offer as I recall by investors since 2013. It is not known if the offer was legit or a pump and dump. I think it was fake, there is no getting around the company was far from profit.
It is still unknown how far this technology could be from profit. If ICC is the answer, profitably could still be more than 7 years away. If will take a long time must be assumption for ICC trial and a 295 patient trial and submission is not free.