Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss), Net of Tax	Total
Balance at Jun. 30, 2019		$ 181	$ 94,351	$ 190,839	$ (164,891)	$ 161	$ 120,641
Balance (in shares) at Jun. 30, 2019		7,486,106
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				7,689			7,689
Other comprehensive loss						(57)	(57)
Purchase of treasury stock	[1]				(1,283)		(1,283)
Purchase of treasury stock (in shares)	[1]	(66,041)
Exercise of stock options			215				215
Exercise of stock options (in shares)		16,250
Forfeiture of restricted stock			73		(73)
Amortization of restricted stock			873				873
Stock options expense			81				81
Cash dividends	[2]			(4,183)			(4,183)
Balance at Jun. 30, 2020		$ 181	95,593	194,345	(166,247)	104	$ 123,976
Balance (in shares) at Jun. 30, 2020		7,436,315					7,436,315
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				7,561			$ 7,561
Other comprehensive loss						(32)	(32)
Purchase of treasury stock					(2,336)		(2,336)
Purchase of treasury stock (in shares)		(139,596)
Exercise of stock options		$ 2	979				981
Exercise of stock options (in shares)		132,000
Distribution of restricted stock (in shares)		112,750
Forfeiture of restricted stock			103		(103)
Amortization of restricted stock			1,206				1,206
Stock options expense			97				97
Cash dividends	[2]			(4,173)			(4,173)
Balance at Jun. 30, 2021		$ 183	$ 97,978	$ 197,733	$ (168,686)	$ 72	$ 127,280
Balance (in shares) at Jun. 30, 2021		7,541,469					7,541,469

[1] Includes the purchase of 34,614 shares of distributed restricted stock in fiscal 2021 in settlement of employees' withholding tax obligations.

[2] Cash dividends of $0.56 per share were paid in both fiscal 2021 and 2020.