Note 14 - Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Balance		$ 340,558	$ 262,346
Other comprehensive (loss) income		(3,420)	1,118
Balance		346,657	278,063
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance		(16,423)
Other comprehensive (loss) income before reclassifications		(4,044)
Amount reclassified from accumulated other comprehensive loss	[1]	268
Other comprehensive (loss) income		(3,776)
Balance		(20,199)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance		3,960
Other comprehensive (loss) income before reclassifications		955
Amount reclassified from accumulated other comprehensive loss	[1]	(615)
Other comprehensive (loss) income		340
Balance		4,300
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
Other comprehensive (loss) income		1
Balance		20
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance		407
Other comprehensive (loss) income before reclassifications		30
Amount reclassified from accumulated other comprehensive loss	[1]	(15)
Other comprehensive (loss) income		15
Balance		422
AOCI Attributable to Parent [Member]
Balance		(12,037)	(16,546)
Other comprehensive (loss) income before reclassifications		(3,058)
Amount reclassified from accumulated other comprehensive loss	[1]	(362)
Other comprehensive (loss) income		(3,420)
Balance		$ (15,457)	$ (15,428)

[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 expense, net on the accompanying condensed consolidated statements of operations.