v3.25.2
Note 2 - Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Inputs, Level 1 [Member]    
Cash equivalents(1) [2] $ 39,327,275 [1] $ 45,531,646 [3]
Total 39,327,275 45,531,646
Fair Value, Inputs, Level 2 [Member]    
Cash equivalents(1) [2] 39,327,275 [1] 45,531,646 [3]
Total $ 39,327,275 $ 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 June 30, 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.
[3] 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.