Note 2 - Summary of Significant Accounting Policies and Recently Issued Accounting Pronouncements - Contract Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Deferred revenue	$ 340	$ 252

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Topic 606
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Name:	us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant