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Note 6 - Common Stock (Details Textual) - $ / shares	1 Months Ended	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Common Stock, Shares Authorized (in shares)		50,000,000		50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.001		$ 0.001
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)		272,597	108,451
The Two Thousand Eighteen Equity Incentive Plan Member
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)	108,451	312,730

X

- Definition

Face amount or stated value per share of common stock.

+ References

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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