Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net revenues	$ 8,004,171	$ 8,302,498
Cost of revenues	1,855,950	1,960,150
Gross profit	6,148,221	6,342,348
Operating expenses
Selling, general and administrative	5,004,179	4,894,806
Research and development	481,059	98,937
Total operating expenses	5,485,238	4,993,743
Operating income	662,983	1,348,605
Interest income, net	9,279	39,951
Net income before income taxes	672,262	1,388,556
Income tax expense	137,000	374,000
Net income	$ 535,262	$ 1,014,556
Income per share:
Basic (in dollars per share)	$ 0.06	$ 0.12
Diluted (in dollars per share)	$ 0.06	$ 0.12
Weighted-average common shares outstanding:
Basic (in shares)	8,550,824	8,379,505
Diluted (in shares)	8,964,937	8,651,891