Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Total Par Value Of Common Shares [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]
Balance, beginning at Jun. 30, 2022	$ 131,560	$ 8,190	$ 34,467	$ (66,372)	$ 155,275
Stock-based compensation	825	8	817
Vesting of restricted stock units and restricted shares	(350)	28	(378)
Treasury stock purchases	(403)			(403)
Cash dividends declared	(833)				(833)
Net income	289				289
Balance, ending at Sep. 30, 2022	131,088	8,226	34,906	(66,775)	154,731
Balance, beginning at Jun. 30, 2022	131,560	8,190	34,467	(66,372)	155,275
Net income	3,142
Balance, ending at Dec. 31, 2022	132,087	8,239	35,681	(68,598)	156,765
Balance, beginning at Sep. 30, 2022	131,088	8,226	34,906	(66,775)	154,731
Stock-based compensation	845	10	835
Vesting of restricted stock units and restricted shares	(57)	3	(60)
Treasury stock purchases	(1,823)			(1,823)
Cash dividends declared	(819)				(819)
Net income	2,853				2,853
Balance, ending at Dec. 31, 2022	132,087	8,239	35,681	(68,598)	156,765
Balance, beginning at Jun. 30, 2023	141,621	8,292	36,605	(70,072)	166,796
Stock-based compensation	911	8	903
Vesting of restricted stock units and restricted shares	(647)	44	(691)
Treasury stock purchases	(455)			(455)
Cash dividends declared	(815)				(815)
Net income	752				752
Balance, ending at Sep. 30, 2023	141,367	8,344	36,817	(70,527)	166,733
Balance, beginning at Jun. 30, 2023	141,621	8,292	36,605	(70,072)	166,796
Net income	3,803
Balance, ending at Dec. 31, 2023	143,533	8,357	37,697	(71,499)	168,978
Balance, beginning at Sep. 30, 2023	141,367	8,344	36,817	(70,527)	166,733
Stock-based compensation	934	9	925
Vesting of restricted stock units and restricted shares	(41)	4	(45)
Treasury stock purchases	(972)			(972)
Cash dividends declared	(806)				(806)
Net income	3,051				3,051
Balance, ending at Dec. 31, 2023	$ 143,533	$ 8,357	$ 37,697	$ (71,499)	$ 168,978