Condensed Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Jun. 30, 2022	$ 85,000	$ 18,308,000	$ 15,780,000	$ 34,173,000
Balance at beginning (in shares) at Jun. 30, 2022	8,475,438
Net income			81,000	81,000
Issuance of restricted stock
Issuance of restricted stock (in shares)	27,400
Forfeiture of restricted stock
Forfeiture of restricted stock (in shares)	(14,166)
Issuance of common stock upon exercise of options
Issuance of common stock upon exercise of options (in shares)	11,760
Taxes paid on stock options exercised on a net basis		(60,000)		(60,000)
Share-based compensation expense		95,000		95,000
Repurchase of common stock			(145,000)	(145,000)
Repurchase of common stock (in shares)	(14,568)
Ending balance, value at Sep. 30, 2022	$ 85,000	18,343,000	15,716,000	34,144,000
Balance at ending (in shares) at Sep. 30, 2022	8,485,864
Beginning balance, value at Jun. 30, 2023	$ 86,000	18,788,000	18,793,000	$ 37,667,000
Balance at beginning (in shares) at Jun. 30, 2023	8,555,238			8,555,238
Net income			155,000	$ 155,000
Issuance of restricted stock
Issuance of restricted stock (in shares)	20,878
Forfeiture of restricted stock
Issuance of common stock upon exercise of options		29,000		29,000
Issuance of common stock upon exercise of options (in shares)	2,934
Taxes paid on stock options exercised on a net basis
Share-based compensation expense		371,000		371,000
Repurchase of common stock
Repurchase of common stock (in shares)				(239,995)
Ending balance, value at Sep. 30, 2023	$ 86,000	$ 19,188,000	$ 18,948,000	$ 38,222,000
Balance at ending (in shares) at Sep. 30, 2023	8,579,050			8,579,050