Note 6 - Intangible Assets, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Intangible Asset, Finite-Lived, Amortization Expense	$ 100	$ 100	$ 100	$ 100
Impairment of Intangible Assets (Excluding Goodwill)	0	0	0	0
Maximum [Member] \| Software, Internally Developed and Purchased [Member]
Intangible Asset, Finite-Lived, Amortization Expense	$ 100	$ 100	$ 100	$ 100

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
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Reference 5: http://www.xbrl.org/2003/role/exampleRef
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Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
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Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
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Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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+ Details