Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net revenues	$ 7,407,779	$ 7,167,064	$ 22,696,149	$ 20,434,430
Cost of revenues	1,833,478	1,657,506	5,516,517	4,831,538
Gross profit	5,574,301	5,509,558	17,179,632	15,602,892
Operating expenses
Selling, general and administrative	4,941,773	4,889,070	15,369,921	13,985,146
Research and development	170,757	42,665	476,785	170,123
Total operating expenses	5,112,530	4,931,735	15,846,706	14,155,269
Operating income	461,771	577,823	1,332,926	1,447,623
Interest income (expense), net	27,374	668	57,348	(8,425)
Net income before income taxes	489,145	578,491	1,390,274	1,439,198
Income tax expense	139,000	202,000	508,000	562,000
Net income	$ 350,145	$ 376,491	$ 882,274	$ 877,198
Income per share:
Basic	$ 0.04	$ 0.05	$ 0.11	$ 0.11
Diluted	$ 0.04	$ 0.04	$ 0.10	$ 0.10
Weighted-average common shares outstanding:
Basic	8,325,346	8,210,695	8,294,568	8,203,599
Diluted	8,612,448	8,613,370	8,637,414	8,634,452