The 16.4 oz we produced in the Plant Optimisation Update would...

The 16.4 oz we produced in the Plant Optimisation Update would add around $28,000 to the coffers at the price spec quoted above for some of that work you mentioned.
Hopefully further testing has produce a little more and I suspect the little capital raises to "sophisticated investors" are just a top up before ramping up production as some have said.
Having said that, not sure why a "sophisticated investor" would waste time on such small amounts.