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Note 5 - Supplemental Balance Sheet Information - Summary of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($)
Balance	$ 45,006
Effect of foreign currency translation	330
Balance	45,336
Battery & Energy Products Segment [Member]
Balance	33,513
Effect of foreign currency translation	330
Balance	33,843
Communications Systems Segment [Member]
Balance	11,493
Effect of foreign currency translation	0
Balance	$ 11,493

X

- Definition

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