Inventories

9 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

3. Inventories

Inventories are summarized as follows:

	March 31,		June 30,
	2018		2017
Raw material	$	2,581,360	$	2,409,148
Work-in-process		932,563		741,994
Finished goods		2,136,968		3,267,232
		5,650,891		6,418,374
Less valuation reserve		486,390		1,425,940
	$	5,164,501	$	4,992,434