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Note 15 - Income Tax (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Effective Income Tax Rate Reconciliation, Percent | (6.30%) | (33.50%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00%
Deferred Tax Assets, Tax Credit Carryforwards | $ 2,700 |
Research and Development Tax Credit Carryforwards Offset by Reserve for Uncertain Tax Positions | 300 |
Deferred Tax Assets, Valuation Allowance | 17,769 | $ 15,222
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | 2,500 | 700
Cash and Cash Equivalents, at Carrying Value | 4,108 | 4,283
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 200 |
Non-US [Member] | Subsidiaries [Member] |  |
Cash and Cash Equivalents, at Carrying Value | 2,700 | $ 2,100
Expire 2025 [Member] | Research Tax Credit Carryforward [Member] |  |
Tax Credit Carryforward, Amount | 7,600 |
Tax Credit Carryforward, Valuation Allowance | 800 |
Domestic Tax Jurisdiction [Member] |  |
Operating Loss Carryforwards | $ 1,300 |
Open Tax Year | 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 |
State and Local Jurisdiction [Member] |  |
Open Tax Year | 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 |
State and Local Jurisdiction [Member] | Expire Between 2025 and 2044 [Member] |  |
Operating Loss Carryforwards | $ 8,400 |
Foreign Tax Jurisdiction [Member] |  |
Operating Loss Carryforwards | $ 7,800 |
Open Tax Year | 2020 2021 2022 2023 2024 |
Foreign Tax Jurisdiction [Member] | Research Tax Credit Carryforward [Member] |  |
Tax Credit Carryforward, Amount | $ 400 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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