Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Common Stock Including Additional Paid in Capital [Member]	Treasury Stock, Common [Member]	Key Executive Deferred Compensation [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Jun. 30, 2022	27,484		(822)
Balance at Jun. 30, 2022		$ 139,500	$ (5,927)	$ 5,927	$ 8,224	$ 45	$ 147,769
Net Income		0	0	0	25,762	0	25,762
Other comprehensive gain (loss)		0	$ 0	0	0	294
Board stock compensation (in shares)	44		0
Board stock compensation		368	$ 0	0	0	0	368
ESPP stock awards (in shares)	14
ESPP stock awards		142					142
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	301		0
Restricted stock units issued, net of shares withheld for tax withholdings		(896)	$ 0	0	0	0	(896)
Shares issued for deferred compensation (in shares)	207		0
Shares issued for deferred compensation		2,017	$ 0	0	0	0	2,017
Activity of treasury shares, net (in shares)	0		(100)
Activity of treasury shares, net		0	$ (1,239)	0	0	0	(1,239)
Deferred stock compensation		0	0	1,239	0	0	1,239
Stock-based compensation expense		3,698	$ 0	0	0	0	3,698
Stock options exercised, net (in shares)	438		0
Stock options exercised, net		3,862	$ 0	0	0	0	3,862
Dividends — $0.20 per share		0	$ 0	0	(5,438)	0	(5,438)
Balance (in shares) at Jun. 30, 2023	28,488		(922)
Balance at Jun. 30, 2023		148,691	$ (7,166)	7,166	28,548	339	177,578
Net Income		0	0	0	24,977		24,977
Other comprehensive gain (loss)		0	$ 0	0	0
Board stock compensation (in shares)	32		0
Board stock compensation		450	$ 0	0	0	0	450
ESPP stock awards (in shares)	14		0
ESPP stock awards		194	$ 0	0	0	0	194
Restricted stock units issued, net of shares withheld for tax withholdings (in shares)	324		0
Restricted stock units issued, net of shares withheld for tax withholdings		(447)	$ 0	0	0	0	(447)
Shares issued for deferred compensation (in shares)	131
Shares issued for deferred compensation		1,875	$ 0	0	0	0	1,875
Activity of treasury shares, net (in shares)	0		(114)
Activity of treasury shares, net			$ (1,729)	0	0	0	(1,729)
Deferred stock compensation		0	0	1,729	0	0	1,729
Stock-based compensation expense		3,814	$ 0	0	0	0	$ 3,814
Stock options exercised, net (in shares)	233		0				233,056
Stock options exercised, net		1,788	$ 0	0	0	0	$ 1,788
Dividends — $0.20 per share			$ 0	0	(5,737)	0	(5,737)
Balance (in shares) at Jun. 30, 2024	29,222		(1,036)
Balance at Jun. 30, 2024		$ 156,365	$ (8,895)	$ 8,895	$ 47,788	$ 202	$ 204,355