Note 15 - Supplemental Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Interest	$ 5,597	$ 2,833	$ 1,906
Income taxes	9,120	5,867	9,571
Issuance of common shares to fund deferred compensation plan	1,884	1,943	1,877
LSi Employee Stock Purchase Plan (ESPP) [Member]
Issuance of common shares	335	218	194
Royston [Member]
Issuance of common shares	5,000	0	0
Share-Based Payment Arrangement [Member]
Issuance of common shares	$ 360	$ 450	$ 450

The total fair value of shares issued during the period under a deferred compensation arrangement.

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