the original projections were for around 2015 for big production. UNS has done very well to date, but all these licences and applications take time. the good news is that competitors have to run the same gauntlet, a bit like Aristocrat.
at some point UNS will be bought out, but you have to hold because the timeing in unpredictable.
l have been watching for years, from a distance, best look elsewhere for excitment.