Inventories (Tables)

9 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories are summarized as follows:

	March 31,			June 30,
	2019			2018
Raw material	$	3,698,319		$	3,540,205
Work-in-process		323,650			180,442
Finished goods		2,754,875			1,743,497
		6,776,844			5,464,144
Less valuation reserve		(444,258	)		(444,258	)
	$	6,332,586		$	5,019,886