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Note 3 - Summary of Significant Accounting Policies - Outstanding Dilutive Securities (Details) - shares	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Antidilutive securities (in shares)	3,597,045	3,167,027
Convertible Preferred Stock [Member]
Antidilutive securities (in shares)	2,601,671	2,633,868
Share-Based Payment Arrangement, Option [Member]
Antidilutive securities (in shares)	995,374	533,159

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

+ Details

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- Details

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