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Note 3 - Acquisition of Intrinsix - Pro Forma Information (Details) - Intrinsix Merger [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Pro forma total revenues | $ 32,790 | $ 31,668 | $ 97,340 | $ 88,667
Pro forma net income (loss) | $ (167) | $ (238) | $ (5,170) | $ (3,323)

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