Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Net sales	$ 6,171,625	$ 5,250,985
Cost of goods sold, exclusive of depreciation from consigned product	1,912,007	1,760,699
Gross profit	4,259,618	3,490,286
Operating expenses:
Selling expenses	3,325,687	2,656,280
General and administrative expenses	1,931,821	1,803,920
Research and development expenses	492,084	399,994
Total operating expenses	5,749,592	4,860,194
Loss from operations	(1,489,974)	(1,369,908)
Other income (expense):
Interest income	19	19
Royalty income and license fees	944,068	988,170
Other	(1,996)	(6,021)
Total other income	942,091	982,168
Loss from operations before income taxes	(547,883)	(387,740)
Income tax (benefit)/expense	(26,000)	(168,000)
Net loss	$ (521,883)	$ (219,740)
Net loss per share - Basic (in dollars per share)	$ (0.07)	$ (0.03)
Net loss per share - Diluted (in dollars per share)	$ (0.07)	$ (0.03)
Weighted average shares - Basic (in shares)	7,809,385	7,748,509
Weighted average shares - Diluted (in shares)	7,809,385	7,748,509