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Note 13 - Segment Information - Long-lived Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
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Total long-lived assets | $ 2,022 | $ 2,688
UNITED STATES |  |
Total long-lived assets | 1,093 | 1,425
HONG KONG |  |
Total long-lived assets | 325 | 828
CHINA |  |
Total long-lived assets | 281 | 164
Other Foreign Countries [Member] |  |
Total long-lived assets | $ 323 | $ 271

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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Namespace Prefix: |
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- Details
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