Restatement of Previously Issued Financial Statements - Consolidated Statements Of Income (Details) - USD ($)	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales	$ 24,927,000	$ 17,595,000
Gross Profit	14,566,000	13,456,000
Operating Income	3,648,000	4,179,000
Income before Provision for Income Taxes	3,545,000	8,100,000
Provision for Income Taxes	461,000	348,000
Net income	$ 3,084,000	$ 7,752,000
Income per share:
Basic (in dollars per share)	$ 0.08	$ 0.21
Diluted (in dollars per share)	$ 0.08	$ 0.21
Equipment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales	$ 23,266,000	$ 16,172,000
Previously Reported | Revision of Inventory Reserve
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales	21,326,000
Gross Profit	18,167,000
Operating Income	7,249,000
Income before Provision for Income Taxes	7,146,000
Provision for Income Taxes	744,000
Net income	$ 6,402,000
Income per share:
Basic (in dollars per share)	$ 0.17
Diluted (in dollars per share)	$ 0.17
Previously Reported | Revision of Inventory Reserve | Equipment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales	$ 19,665,000