Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Net revenues	$ 28,697,622	$ 25,861,144
Cost of revenues	5,841,601	5,292,715
Gross profit	22,856,021	20,568,429
Operating expenses
Selling, general and administrative	19,596,053	16,402,214
Research and development	251,443	596,876
Total operating expenses	19,847,496	16,999,090
Operating income	3,008,525	3,569,339
Interest income (expense), net	19,871	(49,867)
Net income before income taxes	3,028,396	3,519,472
Income tax expense	1,126,000	1,290,000
Net income	$ 1,902,396	$ 2,229,472
Income per share:
Basic	$ 0.23	$ 0.27
Diluted	$ 0.22	$ 0.26
Weighted-average common shares outstanding:
Basic	8,207,365	8,168,152
Diluted	8,620,102	8,461,120