Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ 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, 2023	28,488
Balance at Jun. 30, 2023	$ 148,691	$ (7,166)	$ 7,166	$ 339	$ 28,548	$ 177,578
Balance (in shares) at Jun. 30, 2023		(922)
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
ESPP stock Awards (in shares)	3	0	0	0	0	57
ESPP stock Awards	$ 57	$ 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	$ 1,220	$ 0	0	0	0
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)
Balance (in shares) at Sep. 30, 2023	28,602
Balance at Sep. 30, 2023	$ 151,067	$ (7,583)	7,583	283	35,196	186,546
Balance (in shares) at Sep. 30, 2023		(952)
Balance (in shares) at Jun. 30, 2023	28,488
Balance at Jun. 30, 2023	$ 148,691	$ (7,166)	7,166	339	28,548	177,578
Balance (in shares) at Jun. 30, 2023		(922)
Net Income						19,309
Balance (in shares) at Mar. 31, 2024	28,837
Balance at Mar. 31, 2024	$ 154,475	$ (8,520)	8,520	385	43,577	198,437
Balance (in shares) at Mar. 31, 2024		(1,019)
Balance (in shares) at Sep. 30, 2023	28,602
Balance at Sep. 30, 2023	$ 151,067	$ (7,583)	7,583	283	35,196	186,546
Balance (in shares) at Sep. 30, 2023		(952)
Net Income					5,906	5,906
Other comprehensive gain (loss)	$ 0	$ 0	0	71	0	71
Board stock compensation (in shares)	7
Board stock compensation	$ 112			0		112
ESPP stock Awards (in shares)	4	0
ESPP stock Awards	$ 41	$ 0	0	0	0	41
Shares issued for deferred compensation (in shares)	36
Shares issued for deferred compensation	$ 506					506
Activity of treasury shares, net (in shares)		(36)
Activity of treasury shares, net		$ (505)				(505)
Deferred stock compensation			505			505
Stock-based compensation expense	$ 814					814
Stock options exercised, net (in shares)	107
Stock options exercised, net	$ 628					628
Dividends					(1,446)	(1,446)
Balance (in shares) at Dec. 31, 2023	28,784
Balance at Dec. 31, 2023	$ 152,924	$ (8,088)	8,088	354	39,656	192,934
Balance (in shares) at Dec. 31, 2023		(988)
Net Income	0	$ 0	0	0	5,375	5,375
Other comprehensive gain (loss)	$ 0	$ 0	0	31	0	31
Board stock compensation (in shares)	8	0
Board stock compensation	$ 113	$ 0	0	0	0	113
ESPP stock Awards (in shares)	4	0
ESPP stock Awards	$ 47	$ 0	0	0	0	47
Shares issued for deferred compensation (in shares)	29	0
Shares issued for deferred compensation	$ 431	$ 0	0	0	0	431
Activity of treasury shares, net (in shares)	0	(31)
Activity of treasury shares, net	$ 0	$ (432)	0	0	0	(432)
Deferred stock compensation	0	0	432	0	0	432
Stock-based compensation expense	$ 927	$ 0	0	0	0	927
Stock options exercised, net (in shares)	12	0
Stock options exercised, net	$ 93	$ 0	0	0	0	93
Dividends	$ 0	0	0	0	(1,454)	(1,454)
Balance (in shares) at Mar. 31, 2024	28,837
Balance at Mar. 31, 2024	$ 154,475	$ (8,520)	8,520	385	43,577	198,437
Balance (in shares) at Mar. 31, 2024		(1,019)
Balance (in shares) at Jun. 30, 2024	29,222
Balance at Jun. 30, 2024	$ 156,365	$ (8,895)	8,895	202	47,788	204,355
Balance (in shares) at Jun. 30, 2024		(1,036)
Net Income	0	$ 0	0	0	6,682	6,682
Other comprehensive gain (loss)	$ 0	$ 0	0	(109)	0	(109)
Board stock compensation (in shares)	8	0
Board stock compensation	$ 113	$ 0	0	0	0	113
ESPP stock Awards (in shares)	3	0
ESPP stock Awards	$ 45	$ 0	0	0	0	45
Shares issued for deferred compensation (in shares)	32	0
Shares issued for deferred compensation	$ 487	$ 0	0	0	0	487
Activity of treasury shares, net (in shares)	0	42
Activity of treasury shares, net	$ 0	$ 140	0	0	0	140
Deferred stock compensation	0	0	(140)	0	0	(140)
Stock-based compensation expense	$ 1,047	$ 0	0	0	0
Stock options exercised, net (in shares)	39	0
Stock options exercised, net	$ 248	$ 0	0	0	0	248
Dividends	$ 0	0	0	0	(1,481)	(1,481)
Balance (in shares) at Sep. 30, 2024	29,796
Balance at Sep. 30, 2024	$ 158,101	$ (8,755)	8,755	93	52,989	211,183
Balance (in shares) at Sep. 30, 2024		(994)
Balance (in shares) at Jun. 30, 2024	29,222
Balance at Jun. 30, 2024	$ 156,365	$ (8,895)	8,895	202	47,788	204,355
Balance (in shares) at Jun. 30, 2024		(1,036)
Net Income						16,212
Balance (in shares) at Mar. 31, 2025	29,988
Balance at Mar. 31, 2025	$ 161,875	$ (9,665)	9,665	307	59,531	221,713
Balance (in shares) at Mar. 31, 2025		(1,037)
Balance (in shares) at Sep. 30, 2024	29,796
Balance at Sep. 30, 2024	$ 158,101	$ (8,755)	8,755	93	52,989	211,183
Balance (in shares) at Sep. 30, 2024		(994)
Net Income					5,647	5,647
Other comprehensive gain (loss)				(48)		(48)
Board stock compensation (in shares)	7
Board stock compensation	$ 112					112
ESPP stock Awards (in shares)	5
ESPP stock Awards	$ 65					65
Shares issued for deferred compensation (in shares)	27
Shares issued for deferred compensation	$ 507					507
Activity of treasury shares, net (in shares)		(28)
Activity of treasury shares, net		$ (506)				(506)
Deferred stock compensation			506			506
Stock-based compensation expense	$ 1,141					1,141
Stock options exercised, net (in shares)	30
Stock options exercised, net	$ 374					374
Dividends					(1,492)	(1,492)
Balance (in shares) at Dec. 31, 2024	29,891
Balance at Dec. 31, 2024	$ 159,926	$ (9,261)	9,261	45	57,144	217,115
Balance (in shares) at Dec. 31, 2024		(1,022)
Net Income	0	$ 0	0	0	3,883	3,883
Other comprehensive gain (loss)	$ 0	$ 0	0	262	0	262
Board stock compensation (in shares)	6	0
Board stock compensation	$ 112	$ 0	0	0	0	112
ESPP stock Awards (in shares)	4	0
ESPP stock Awards	$ 49	$ 0	0	0	0	49
Shares issued for deferred compensation (in shares)	24	0
Shares issued for deferred compensation	$ 447	$ 0	0	0	0	447
Activity of treasury shares, net (in shares)	0	(15)
Activity of treasury shares, net	$ 0	$ (404)	0	0	0	(404)
Deferred stock compensation	0	0	404	0	0	404
Stock-based compensation expense	$ 1,007	$ 0	0	0	0	1,007
Stock options exercised, net (in shares)	47	0
Stock options exercised, net	$ 220	$ 0	0	0	0	220
Dividends	$ 0	0	0	0	(1,496)	(1,496)
Balance (in shares) at Mar. 31, 2025	29,988
Balance at Mar. 31, 2025	$ 161,875	$ (9,665)	$ 9,665	$ 307	$ 59,531	$ 221,713
Balance (in shares) at Mar. 31, 2025		(1,037)