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Note 13 - Other Income (Expense), Net (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Gain (Loss), Foreign Currency Transaction, before Tax | $ (40,000) | $ 800 | $ 47,000 | $ 101,000
Awards for Technologies, Innovation, and Job Creation [Member] |  |  |  |
Government Assistance, Nonoperating Income, Increase (Decrease) | $ 100,000 | $ 500,000 | $ 600,000 | $ 1,900,000

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