Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	[1]
Net sales	$ 18,311,830	$ 21,842,097
Cost of goods sold	12,649,222	15,022,223
Gross profit	5,662,608	6,819,874
Selling, general and administrative expenses	6,146,650	6,543,566
(Loss) income from operations	(484,042)	276,308
Interest income	(20,185)	(3,178)
(Loss) income before income tax provision (benefit)	(463,857)	279,486
Income tax provision (benefit)	1,740	(26,503)
Net (loss) income	$ (465,597)	$ 305,989	[2],[3]
(Loss) income per common share:
Basic (in dollars per share)	$ (0.06)	$ 0.04	[3]
Diluted (in dollars per share)	$ (0.06)	$ 0.04	[3]
Weighted-average number of shares:
Basic (in shares)	7,404,831	7,401,030	[3]
Diluted (in shares)	7,404,831	7,407,827	[3]

[1] As adjusted for change in accounting policy (Note 3)

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

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