Note 1 - Organization and Nature of Business 1 (Details Textual) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
Apr. 30, 2026 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2026	Dec. 31, 2025 USD ($)
Number of Reportable Segments			1	1
The March 2025 ATM [Member]
Open Market Sale Agreement, Maximum Aggregate Offering Price		$ 50		$ 50
Open Market Sale Agreement, Sales Commission, Percentage		3.00%		3.00%
The April 2026 ATM [Member]
Open Market Sale Agreement, Maximum Aggregate Offering Price	$ 25

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 47
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-47

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 54
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-54

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-18

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