Condensed 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				2,562			2,562
Other comprehensive loss						(13)	(13)
Purchase of treasury stock					(346)		(346)
Purchase of treasury stock (in shares)		(16,924)
Exercise of stock options			132				132
Exercise of stock options (in shares)		10,500
Forfeiture of restricted stock			72		(72)
Amortization of restricted stock			220				220
Stock options expense			20				20
Cash dividends				(1,047)			(1,047)
Balance at Sep. 30, 2019		$ 181	94,795	192,354	(165,309)	148	122,169
Balance (in shares) at Sep. 30, 2019		7,479,682
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				1,485			$ 1,485
Other comprehensive loss						(5)	(5)
Purchase of treasury stock	[1]				(30)		(30)
Purchase of treasury stock (in shares)	[1]	(2,556)
Distribution of restricted stock (in shares)		7,500
Forfeiture of restricted stock			81		(81)
Amortization of restricted stock			241				241
Stock options expense			33				33
Cash dividends	[2]			(1,041)			(1,041)
Balance at Sep. 30, 2020		$ 181	$ 95,948	$ 194,789	$ (166,358)	$ 99	$ 124,659
Balance (in shares) at Sep. 30, 2020		7,441,259					7,441,259

[1] Includes the purchase of 2,556 shares of distributed restricted stock in settlement of employee withholding tax obligations.

[2] Cash dividends of $0.14 per share were paid in the quarter ended September 30, 2020.