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Note 4 - Supplemental Balance Sheet Information (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Restricted Cash and Cash Equivalents | $ 0 | $ 82
Depreciation | $ 3,125 | 3,022
Number of Reporting Units | 2 |
Goodwill, Impairment Loss | $ 0 |
Finite-Lived Intangible Asset, Expected Amortization, Year One | 1,620 |
Finite-Lived Intangible Asset, Expected Amortization, Year Two | 1,486 |
Finite-Lived Intangible Asset, Expected Amortization, Year Three | 1,486 |
Finite-Lived Intangible Asset, Expected Amortization, Year Four | 1,486 |
Finite-Lived Intangible Asset, Expected Amortization, Year Five | 1,465 |
NETHERLANDS |  |
Restricted Cash and Cash Equivalents | $ 0 | $ 82

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