CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Total
Balance at Jun. 30, 2018	$ 212,000	$ 16,890,000	$ (13,069,000)	$ 59,420,000	$ 63,453,000
Balance (in shares) at Jun. 30, 2018	21,204,327		(2,475,245)
Implementation of ASC606	$ 0	0	$ 0	(719,000)	(719,000)
Repurchase of treasury shares	$ 0	0	$ (3,998,000)	0	(3,998,000)
Repurchase of treasury shares (in shares)	0		(274,065)
Stock Options Exercised	$ 0	53,000	$ 0	0	53,000
Stock Options Exercised (in shares)	22,767		0
Stock-based compensation expense	$ 0	160,000	$ 0	0	160,000
Net income	0	0	0	12,223,000	12,223,000
Balance at Jun. 30, 2019	$ 212,000	17,103,000	$ (17,067,000)	70,924,000	71,172,000
Balance (in shares) at Jun. 30, 2019	21,227,094		(2,749,310)
Repurchase of treasury shares	$ 0	0	$ (2,454,000)	0	(2,454,000)
Repurchase of treasury shares (in shares)	0		(144,405)
Stock Options Exercised	$ 0	80,000	$ 0	0	80,000
Stock Options Exercised (in shares)	13,972
Stock-based compensation expense	$ 0	583,000	0	0	583,000
Net income	0	0	0	8,520,000	8,520,000
Balance at Jun. 30, 2020	$ 212,000	$ 17,766,000	$ (19,521,000)	$ 79,444,000	$ 77,901,000
Balance (in shares) at Jun. 30, 2020	21,241,066		(2,893,715)