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Note 6 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		Fair Value Measurements at March 31, 2026
		Quoted Prices in				Other				Significant
		Active Markets for				Observable				Unobservable
		Identical Assets				Inputs				Inputs
		(Level 1)				(Level 2)				(Level 3)				Total
Short-term investment in marketable equity securities, at fair value (asset)		$	9,477,682			$	—			$	—			$	9,477,682
Derivative liabilities - Series A warrants		$	—			$	—			$	55,000			$	55,000
Total		$	9,477,682			$	—			$	55,000			$	9,532,682

		Fair Value Measurements at December 31, 2025
		Quoted Prices in				Other				Significant
		Active Markets for				Observable				Unobservable
		Identical Assets				Inputs				Inputs
		(Level 1)				(Level 2)				(Level 3)				Total
Derivative liabilities - Series A		$	—			$	—			$	50,000			$	50,000
Total		$	—			$	—			$	50,000			$	50,000

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

		March 31, 2026				December 31, 2025
Exercise price		$	—			$	—
Stock price		$	0.9040			$	0.8138
Expected term (years)			3.50				3.75
Volatility			146.65	%			140.18	%
Risk-free rate			3.81	%			3.64	%
Dividend yield			0.00	%			0.00	%
Probability of capital raise below exercise price			100.00	%			100.00	%

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

		Amount
Balance as of December 31, 2025		$	50,000
Change in fair value of warrant liabilities			5,000
Balance as of March 31, 2026		$	55,000

X

- Definition

Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.

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Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

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Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

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