5. Inventories (Tables)

9 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories

	March 31, 2017		June 30, 2016
Raw materials	$	1,364,900	$	1,529,800
Work in process		429,500		425,300
Finished goods		411,500		457,000
	$	2,205,900	$	2,412,100