Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities
Net loss	$ (2,610,986)	$ (1,212,224)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	366,588	326,420
Disposals of property, plant and equipment		112,704
Deferred income tax (benefit)		(281,000)
Stock-based compensation	1,004,498	625,293
Deferred income		(6,436)
Changes in operating assets and liabilities:
Accounts receivable	(289,722)	979,878
Inventories	(104,135)	(649,440)
Prepaid expenses and other current assets	28,333	416,438
Intangible, contract and other assets	49,282
Accounts payable, accrued expenses and other current liabilities	(178,663)	(1,285,333)
Net cash used in operating activities	(1,734,805)	(973,700)
Investing activities
Acquisition of property, plant and equipment	(287,506)	(85,129)
Additional patents	(50,080)	(26,403)
Net cash used in investing activities	(337,586)	(111,532)
Financing activities
Proceeds from exercise of stock options	415,747	56,202
Net cash provided by financing activities	415,747	56,202
Net decrease in cash and cash equivalents	(1,656,644)	(1,029,030)
Cash and cash equivalents at beginning of period	10,979,455	10,979,455
Cash and cash equivalents at end of period	9,322,811	10,528,041
Cash paid for:
Income taxes	7,678
Transfer of inventory to property, plant and equipment for consignment of product	$ 203,671	$ 435,849