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, 2025
Dec. 31, 2024
Fair Value, Inputs, Level 1 [Member]    
Cash equivalents(1) [2] $ 39,513,992 [1] $ 45,531,646
Total 39,513,992 45,531,646
Fair Value, Inputs, Level 2 [Member]    
Cash equivalents(1) [2] 39,513,992 [1] 45,531,646
Total $ 39,513,992 $ 45,531,646
[1] Cash equivalents as of December 31, 2024 and 2023, represent the fair value of the Company’s investment in money market accounts and U.S. Treasury securities with maturities at the date of purchase of three months or less.
[2] Cash equivalents as of March 31, 2025, and December 31, 2024, represent the fair value of the Company’s investments in money market accounts and U.S. Treasury securities with maturities at the date of purchase of three months or less.