Every year a listed entity goes through the motions at their AGM to approve additional capacity.
The current $15m is for the strategic plans execution as per the IPO
The additional capacity enables exploitation for potential opportunities that may come up during the year that if it makes sense for the company to add value rather than calling for another AGM/EGM. Its a normal operational matters.
ie, exercising another land option to construct our 3rd plant due to dairy offtakes or strong demand by a strategic partner who wants to outsource as an example