Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (2) - USD ($) $ in Thousands	Common Stock Including Additional Paid in Capital [Member]	Treasury Stock [Member]	Key Executive Deferred Compensation [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Jun. 30, 2021	26,863	(346)
Balance at Jun. 30, 2021	$ 132,526	$ (2,450)	$ 2,450	$ 49	$ (1,405)	$ 131,170
Net Income	0	0	0	0	6,238	6,238
Other comprehensive loss	$ 0	$ 0	0	(35)	0	(35)
Stock compensation awards (in shares)	19	0
Stock compensation awards	$ 150	$ 0	0	0	0	150
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	80	0
Restricted stock units issued, net of shares withheld for tax withholdings	$ (250)	$ 0	0	0	0	(250)
Shares issued for deferred compensation (in shares)	334	0
Shares issued for deferred compensation	$ 2,569	$ 0	0	0	0	2,569
Activity of treasury shares, net (in shares)	0	324
Activity of treasury shares, net	$ 0	$ 2,491	0	0	0	2,491
Deferred stock compensation	0	0	2,491	0	0	2,491
Stock compensation expense	$ 1,686	$ 0	0	0	0	1,686
Stock options exercised, net (in shares)	5	0
Stock options exercised, net	$ 26	$ 0	0	0	0	26
Dividends — $0.20 per share	$ 0	$ 0	0	0	(2,668)	(2,668)
Balance (in shares) at Dec. 31, 2021	27,301	(670)
Balance at Dec. 31, 2021	$ 136,707	$ (4,941)	4,941	14	2,165	138,886
Balance (in shares) at Jun. 30, 2022	27,484	(822)
Balance at Jun. 30, 2022	$ 139,500	$ (5,927)	5,927	45	8,224	147,769
Net Income	0	0	0	0	12,678	12,678
Other comprehensive loss	$ 0	$ 0	0	75	0	75
Stock compensation awards (in shares)	35	0
Stock compensation awards	$ 173	$ 0	0	0	0	173
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	272	0
Restricted stock units issued, net of shares withheld for tax withholdings	$ (465)	$ 0	0	0	0	(465)
Shares issued for deferred compensation (in shares)	137	0
Shares issued for deferred compensation	$ 1,087	$ 0	0	0	0	1,087
Activity of treasury shares, net (in shares)	0	(135)
Activity of treasury shares, net	$ 0	$ (1,061)	0	0	0	(1,061)
Deferred stock compensation	0	0	1,061	0	0	1,061
Stock compensation expense	$ 1,415	$ 0	0	0	0	1,415
Stock options exercised, net (in shares)	192	0
Stock options exercised, net	$ 1,278	$ 0	0	0	0	1,278
Dividends — $0.20 per share	$ 0	$ 0	0	0	(2,694)	(2,694)
Balance (in shares) at Dec. 31, 2022	28,120	(957)
Balance at Dec. 31, 2022	$ 142,988	$ (6,988)	$ 6,988	$ 120	$ 18,208	$ 161,316