4. Inventories (Details) - USD ($)	Mar. 31, 2018	Jun. 30, 2017
Inventory Disclosure [Abstract]
Raw Materials	$ 1,525,400	$ 1,373,800
Work in process	831,000	166,500
Finished Goods	345,200	420,900
Inventory	$ 2,701,600	$ 1,961,200