CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Net sales	$ 13,753,135	$ 12,146,790	$ 24,033,446	$ 20,073,083
Costs and expenses:
Cost of goods sold	7,033,946	6,167,708	12,050,496	10,363,763
Sales and marketing	4,079,035	2,480,571	6,809,187	4,128,503
General and administrative	1,189,559	977,528	2,773,835	2,185,564
Total costs and expenses	12,302,540	9,625,807	21,633,518	16,677,830
Income from operations	1,450,595	2,520,983	2,399,928	3,395,253
Other income (expense):
Interest income	490	1,126	845	4,586
Interest expense	0	(2,466)	0	(4,905)
Loss on foreign currency exchange	0	(72)	(34)	(603)
Total other income (expense), net	490	(1,412)	811	(922)
Income before income taxes	1,451,085	2,519,571	2,400,739	3,394,331
Income tax expense	(283,473)	(494)	(406,102)	(988)
Net income	$ 1,167,612	$ 2,519,077	$ 1,994,637	$ 3,393,343
Net income per common share:
Basic (in dollars per share)	$ 0.04	$ 0.09	$ 0.07	$ 0.12
Diluted (in dollars per share)	$ 0.04	$ 0.09	$ 0.06	$ 0.12
Weighted average number of shares used in computing net income per common share:
Basic (in shares)	30,287,677	28,804,265	30,159,543	28,795,424
Diluted (in shares)	31,315,488	29,262,702	31,237,948	28,980,009