Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Net sales	$ 6,030,380	$ 6,039,355	$ 12,202,005	$ 11,290,340
Cost of goods sold, exclusive of depreciation from consigned product	1,818,672	1,957,900	3,730,679	3,718,599
Gross profit	4,211,708	4,081,455	8,471,326	7,571,741
Operating expenses:
Selling expenses	3,271,134	2,991,687	6,596,821	5,647,967
General and administrative expenses	2,087,419	1,675,090	4,019,240	3,479,010
Research and development expenses	440,364	392,068	932,448	792,062
Total operating expenses	5,798,917	5,058,845	11,548,509	9,919,039
Loss from operations	(1,587,209)	(977,390)	(3,077,183)	(2,347,298)
Other income (expense):
Interest income	19	25	38	44
Royalty income and license fees	949,048	1,018,362	1,893,116	2,006,532
Other	(6,640)	(5,413)	(8,636)	(11,434)
Total other income	942,427	1,012,974	1,884,518	1,995,142
(Loss) / income from operations before income taxes	(644,782)	35,584	(1,192,665)	(352,156)
Income tax (benefit)/expense	(30,000)	(139,000)	(56,000)	(307,000)
Net income (loss)	$ (614,782)	$ 174,584	$ (1,136,665)	$ (45,156)
Net income (loss) per share - Basic (in dollars per share)	$ (0.07)	$ 0.02	$ (0.14)	$ (0.01)
Net income (loss) per share - Diluted (in dollars per share)	$ (0.07)	$ 0.02	$ (0.14)	$ (0.01)
Weighted average shares - Basic (in shares)	8,374,900	7,780,778	8,092,143	7,764,644
Weighted average shares - Diluted (in shares)	8,374,900	8,081,602	8,092,143	7,764,644