Quarterly report [Sections 13 or 15(d)]

Note 2 - Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)

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Note 2 - Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Inputs, Level 1 [Member]    
Cash equivalents(1) [1] $ 52,369,292 $ 60,875,969
Total 52,369,292 60,875,969
Fair Value, Inputs, Level 2 [Member]    
Cash equivalents(1) [1] 52,369,292 60,875,969
Total $ 52,369,292 $ 60,875,969
[1] Cash equivalents as of March 31, 2026, and December 31, 2025, represent the fair value of the Company’s investments in money market accounts, U.S. Treasury securities and commercial paper. All cash equivalents have maturities at the date of purchase of three months or less. These securities are classified as Level 1 within the fair value hierarchy as fair value is determined based on unadjusted quoted prices in active markets due to the short-term nature of these instruments.