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Note 5 - Supplemental Balance Sheet Information - Summary of Goodwill (Details) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 USD ($)
Goodwill balance | $ 38,068
Measurement period adjustment (1) | (30)
Effect of foreign currency translation | (536)
Goodwill balance | 37,502
Battery & Energy Products Segment [Member] |
Goodwill balance | 26,575
Measurement period adjustment (1) | (30)
Effect of foreign currency translation | (536)
Goodwill balance | 26,009
Communications Systems Segment [Member] |
Goodwill balance | 11,493
Measurement period adjustment (1) | 0
Effect of foreign currency translation | 0
Goodwill balance | $ 11,493

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