Proof of concept will come with long promised development of...

Proof of concept will come with long promised development of external sales, as you suggest with some demonstration of production consistency.

First thing the mkt needs to see is that they have the mgt structure capable of realising those sustainable production levels & quality.

Come at a cost but the positive is they have bought enough time to have yet another go, maybe they'll get it right this time as surely they've learnt something along the way, insiders appear to still hold some confidence.