Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended			6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	[1]	Dec. 31, 2019	Dec. 31, 2018	[1]
Net sales	$ 4,162,659	$ 5,411,227		$ 9,573,421	$ 11,196,066
Cost of goods sold	2,798,572	3,748,732		6,861,880	7,702,387
Gross profit	1,364,087	1,662,495		2,711,541	3,493,679
Selling, general and administrative expenses	1,586,705	1,559,346		3,251,305	3,348,935
(Loss) income from operations	(222,618)	103,149		(539,764)	144,744
Interest income	6,927			13,324
(Loss) income before income tax provision	(215,691)	103,149		(526,440)	144,744
Income tax provision	22			22	25
Net (loss) income	$ (215,713)	$ 103,149	[2]	$ (526,462)	$ 144,719	[2],[3]
(Loss) income per common share:
Basic (in dollars per share)	$ (0.03)	$ 0.01	[2]	$ (0.07)	$ 0.02	[2]
Diluted (in dollars per share)	$ (0.03)	$ 0.01	[2]	$ (0.07)	$ 0.02	[2]
Weighted-average number of shares:
Basic (in shares)	7,404,831	7,404,831	[2]	7,404,831	7,397,291	[2]
Diluted (in shares)	7,404,831	7,413,391	[2]	7,404,831	7,423,517	[2]

[1] As adjusted for change in accounting principle (Note 2)

[2] As adjusted for change in accounting principle (Note 2)

[3] As adjusted for change in accounting principle (Note 2)