Note 8 - Fair Value Measurement - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Warrant Liabilities [Member]	6 Months Ended
Jun. 30, 2026 USD ($)
Beginning balance as of January 1, 2026	$ 3,004,416
Change in fair value of warrant liabilities	2,069,131
Ending balance on June 30, 2026	$ 5,073,547

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant