It was using genetically modified bacteria via industrial fermentation. It's essentially a specialty chemical used in pharma, automotive, paints & adhesives and theoretically for biodegradable plastics but unfortunately PHB (the plastic you can make out of it) doesn't have great properties. All in all, the 3HB market was pretty small with tight supply chains and not a huge amount of growth. I'm sure you guys will have more success depending on your outputs.