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Note 11 - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Balances			$ (789)
Net current period other comprehensive income (loss)	$ (27)	$ 608	(162)	$ 482
Balances	(951)		(951)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balances			(1,532)	(1,487)
Other comprehensive income (loss) before reclassifications			78	61
Amounts reclassified from Accumulated other comprehensive loss			10	5
Net current period other comprehensive income (loss)			88	66
Balances	(1,444)	(1,421)	(1,444)	(1,421)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Foreign Exchange Forward [Member]
Balances			94	(195)
Other comprehensive income (loss) before reclassifications			(115)	(383)
Amounts reclassified from Accumulated other comprehensive loss			17	138
Net current period other comprehensive income (loss)			(98)	(245)
Balances	(4)	(440)	(4)	(440)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member]
Balances			649	0
Other comprehensive income (loss) before reclassifications			266	602
Amounts reclassified from Accumulated other comprehensive loss			(418)	59
Net current period other comprehensive income (loss)			(152)	661
Balances	497	661	497	661
AOCI Attributable to Parent [Member]
Balances			(789)	(1,682)
Other comprehensive income (loss) before reclassifications			229	280
Amounts reclassified from Accumulated other comprehensive loss			(391)	202
Net current period other comprehensive income (loss)			(162)	482
Balances	$ (951)	$ (1,200)	$ (951)	$ (1,200)

X

- Definition

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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