Note 14 - Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Balance		$ 356,415	$ 304,490	$ 340,558	$ 262,346
Net current period other comprehensive (loss) income		4,577	(2,514)	(118)	(2,824)
Balance		367,362	321,411	367,362	321,411
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance				(16,423)
Other comprehensive (loss) income before reclassifications				916
Amount reclassified from accumulated other comprehensive loss	[1]			401
Net current period other comprehensive (loss) income				1,317
Balance		(15,106)		(15,106)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance				3,960
Other comprehensive (loss) income before reclassifications				393
Amount reclassified from accumulated other comprehensive loss	[1]			(1,875)
Net current period other comprehensive (loss) income				(1,482)
Balance		2,478		2,478
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance				19
Other comprehensive (loss) income before reclassifications				1
Amount reclassified from accumulated other comprehensive loss	[1]			0
Net current period other comprehensive (loss) income				1
Balance		20		20
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance				407
Other comprehensive (loss) income before reclassifications				92
Amount reclassified from accumulated other comprehensive loss	[1]			(46)
Net current period other comprehensive (loss) income				46
Balance		453		453
AOCI Attributable to Parent [Member]
Balance		(16,732)	(16,856)	(12,037)	(16,546)
Other comprehensive (loss) income before reclassifications				1,402
Amount reclassified from accumulated other comprehensive loss	[1]			(1,520)
Net current period other comprehensive (loss) income				(118)
Balance		$ (12,155)	$ (19,370)	$ (12,155)	$ (19,370)

[1] This reclassification relates to the amortization of prior service costs and gains/losses associated with the Company's SERP Plan. This expense is reflected in other income/expense, net on the accompanying condensed consolidated statements of operations.