Long-Term Debt (Details)					1 Months Ended	12 Months Ended
	May 03, 2022 $ / shares	Apr. 01, 2021	Feb. 01, 2019 USD ($)	May 04, 2018 USD ($)	May 31, 2022 $ / shares	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 30, 2016 USD ($)
Line of Credit Facility [Line Items]
Principal payment						$ 0	$ 0	$ 1,500,000
Cash dividend, common stock declared (in dollars per share) | $ / shares	$ 0.03				$ 0.03
Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Total liabilities to tangible net worth ratio (not greater than)						2.00
Floor interest rate		4.00%
Debt instrument, effective interest rate						4.00%
Revolving Credit Facility | US Treasury (UST) Interest Rate | Line of Credit
Line of Credit Facility [Line Items]
Basis spread on variable rate		3.00%
March 2016 Term Loan | Secured Debt
Line of Credit Facility [Line Items]
Maximum borrowing capacity									$ 10,000,000
Periodic principal payment						$ 500,000
Fixed interest rate				5.68%					4.93%
Fixed charge coverage ratio, minimum			1.10	1.25					1.50
Trailing period			12 months	12 months
Minimum working capital			$ 6,000,000	$ 8,000,000					$ 5,000,000
Total liabilities to tangible net worth ratio (not greater than)				3.00
March 2016 Revolving Loan | Secured Debt
Line of Credit Facility [Line Items]
Principal payment			2,000,000
March 2016 Revolving Loan | Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 5,000,000						$ 2,000,000