Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities
Net loss from continuing operations	$ (1,444,372)	$ (889,400)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization and other non-cash items	763,434	1,271,864
Deferred income tax benefit	(186,861)	(260,000)
Stock-based compensation	616,206	1,175,165
Deferred income	(13,948)	(20,852)
Deferred lease liability	69	6,947
Changes in operating assets and liabilities:
Accounts receivable	(487,729)	379,689
Inventories	(449,986)	(2,623,620)
Prepaid expenses and other assets	(167,423)	(282,221)
Accounts payable and accrued expenses	137,861	141,624
Net cash used in operating activities	(1,232,749)	(1,100,804)
Investing activities
Acquisition of property, plant and equipment, net of disposals	(239,627)	(410,561)
Acquisition of patents	(185,756)	(71,541)
Net cash used in investing activities	(425,383)	(482,102)
Financing activities
Proceeds from the sale of common stock	4,000,000
Proceeds from exercise of stock options	303,447	151,247
Net cash provided by financing activities	4,303,447	151,247
Cash flows from discontinued operations
Net cash provided by investing activities	161,861	165,000
Net cash provided by discontinued operations	161,861	165,000
Net increase / (decrease) in cash and cash equivalents	2,807,176	(1,266,659)
Cash and cash equivalents at beginning of period	9,049,327	9,623,749
Cash and cash equivalents at end of period	11,856,503	8,357,090
Supplemental disclosure of cash flow information:
Cash paid for income taxes	9,866	141,120
Capitalization of consigned product	$ 1,363,506	$ 1,017,506