Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended			9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	[1]	Mar. 31, 2020	Mar. 31, 2019	[1]
Net sales	$ 4,789,441	$ 4,860,247		$ 14,362,862	$ 16,056,313
Cost of goods sold	3,199,665	3,205,039		10,061,544	10,907,425
Gross profit	1,589,776	1,655,208		4,301,318	5,148,888
Selling, general and administrative expenses	1,687,676	1,540,348		4,938,983	4,889,284
(Loss) income from operations	(97,900)	114,860		(637,665)	259,604
Interest income	6,631			19,955
(Loss) income before income tax provision	(91,269)	114,860		(617,710)	259,604
Income tax provision	6,104	(23,020)		6,125	(22,995)
Net (loss) income	$ (97,373)	$ 137,880	[2]	$ (623,835)	$ 282,599	[2],[3]
(Loss) income per common share:
Basic (in dollars per share)	$ (0.01)	$ 0.02	[2]	$ (0.08)	$ 0.04	[2]
Diluted (in dollars per share)	$ (0.01)	$ 0.02	[2]	$ (0.08)	$ 0.04	[2]
Weighted-average number of shares:
Basic (in shares)	7,404,831	7,404,831	[2]	7,404,831	7,399,768	[2]
Diluted (in shares)	7,404,831	7,405,425	[2]	7,404,831	7,408,110	[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)