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Note 10 - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Balances			$ (789)
Net current period other comprehensive income (loss)	$ (8)	$ 159	(135)	$ (126)
Balances	(924)		(924)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balances			(1,532)	(1,487)
Other comprehensive income (loss) before reclassifications			53	41
Amounts reclassified from Accumulated other comprehensive loss			6	3
Net current period other comprehensive income (loss)			59	44
Balances	(1,473)	(1,443)	(1,473)	(1,443)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Foreign Exchange Forward [Member]
Balances			94	(195)
Other comprehensive income (loss) before reclassifications			(109)	(598)
Amounts reclassified from Accumulated other comprehensive loss			8	195
Net current period other comprehensive income (loss)			(101)	(403)
Balances	(7)	(598)	(7)	(598)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member]
Balances			649	0
Other comprehensive income (loss) before reclassifications			173	171
Amounts reclassified from Accumulated other comprehensive loss			(266)	62
Net current period other comprehensive income (loss)			(93)	233
Balances	556	233	556	233
AOCI Attributable to Parent [Member]
Balances			(789)	(1,682)
Other comprehensive income (loss) before reclassifications			117	(386)
Amounts reclassified from Accumulated other comprehensive loss			(252)	260
Net current period other comprehensive income (loss)			(135)	(126)
Balances	$ (924)	$ (1,808)	$ (924)	$ (1,808)

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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