Note 19 - Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Balance		$ 208,743	$ 185,799
Other comprehensive income (loss)		2,317	(800)
Balance		262,346	208,743
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance		(14,911)	(13,142)
Other comprehensive income (loss) before reclassifications		(7,391)	(1,769)
Amounts reclassified from accumulated other comprehensive income (loss)		(805)	0
Other comprehensive income (loss)		(8,196)	(1,769)
Balance		(23,107)	(14,911)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance		(116)	0
Other comprehensive income (loss) before reclassifications		5,655	(116)
Amounts reclassified from accumulated other comprehensive income (loss)		0	0
Other comprehensive income (loss)		5,655	(116)
Balance		5,539	(116)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance		29	19
Other comprehensive income (loss) before reclassifications		(11)	10
Amounts reclassified from accumulated other comprehensive income (loss)	[1]
Other comprehensive income (loss)		(11)	10
Balance		18	29
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance		(3,865)	(4,940)
Other comprehensive income (loss) before reclassifications		5,119	1,431
Amounts reclassified from accumulated other comprehensive income (loss)		(250)	(356)
Other comprehensive income (loss)		4,869	1,075
Balance		1,004	(3,865)
AOCI Attributable to Parent [Member]
Balance		(18,863)	(18,063)
Other comprehensive income (loss) before reclassifications		3,372	(444)
Amounts reclassified from accumulated other comprehensive income (loss)		(1,055)	(356)
Other comprehensive income (loss)		2,317	(800)
Balance		$ (16,546)	$ (18,863)

[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 consolidated statement of operations.