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Note 8 - Leases (Details Textual) ft² in Thousands, $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 12, 2024 USD ($) ft² | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Operating Lease, Right-of-Use Asset, Amortization Expense |  | $ 1.5 | $ 1.6
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  | 5.7 | $ 0.8
Building Leases in the U.S. Netherlands and Singapore [Member] |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  | $ 5.7 |
Alfamation [Member] |  |  |
Area of Real Estate Property (Square Foot) | ft² | 52 |  |
Alfamation [Member] | Warehouse and Office Space [Member] |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 1.7 |  |
Area of Real Estate Property (Square Foot) | ft² | 52 |  |

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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Amount of periodic reduction over lease term of carrying amount of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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