Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Including Additional Paid in Capital [Member]	Treasury Stock, Common [Member]	Key Executive Deferred Compensation [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
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	6,262	6,262
Other comprehensive gain (loss)	$ 0	$ 0	0	7	0	7
Board stock compensation (in shares)	12	0
Board stock compensation	$ 75	$ 0	0	0	0	75
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	201	0
Restricted stock units issued, net of shares withheld for tax withholdings	$ (66)	$ 0	0	0	0	(66)
Shares issued for deferred compensation (in shares)	80	0
Shares issued for deferred compensation	$ 539	$ 0	0	0	0	539
Activity of treasury shares, net (in shares)	0	77
Activity of treasury shares, net	$ 0	$ 512	0	0	0	512
Deferred stock compensation	0	0	512	0	0	512
Stock-based compensation expense	$ 0	$ 0	0	0	551
Stock options exercised, net (in shares)	0	0
Stock options exercised, net	$ 0	$ 0	0	0	0	0
Dividends	$ 0	$ 0	0	0	(1,408)	(1,408)
Balance (in shares) at Sep. 30, 2022	27,777	(899)
Balance at Sep. 30, 2022	$ 140,599	$ (6,439)	6,439	52	13,078	153,729
Balance (in shares) at Jun. 30, 2023	28,488	(922)
Balance at Jun. 30, 2023	$ 148,691	$ (7,166)	7,166	339	28,548	177,578
Net Income	0	0	0	0	8,028	8,028
Other comprehensive gain (loss)	$ 0	$ 0	0	(56)	0	(56)
Board stock compensation (in shares)	9	0
Board stock compensation	$ 113	$ 0	0	0	0	113
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	276	0
Restricted stock units issued, net of shares withheld for tax withholdings	$ 0	$ 0	0	0	0	0
Shares issued for deferred compensation (in shares)	32	0
Shares issued for deferred compensation	$ 437	$ 0	0	0	0	437
Activity of treasury shares, net (in shares)	0	(30)
Activity of treasury shares, net	$ 0	$ (417)	0	0	0	(417)
Deferred stock compensation	$ 0	0	417	0	0	417
Stock-based compensation expense		$ 0	0	0	0	1,220
Stock options exercised, net (in shares)	70	0
Stock options exercised, net	$ 549	$ 0	0	0	0	549
Dividends	$ 0	$ 0	0	0	(1,380)	(1,380)
ESPP Stock Awards (in shares)	3	0
ESPP Stock Awards	$ 57	$ 0	0	0	0	57
Balance (in shares) at Sep. 30, 2023	28,878	(952)
Balance at Sep. 30, 2023	$ 151,067	$ (7,583)	$ 7,583	$ 283	$ 35,196	$ 186,546