Annual report pursuant to Section 13 and 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 ($)
Dec. 31, 2023
Dec. 31, 2022
Cash equivalents(1) $ 6,544,910 [1] $ 7,248,946 [2]
Total 6,544,910 12,182,496
Investments(2) [3]   4,933,550
Fair Value, Inputs, Level 1 [Member]    
Cash equivalents(1) 6,544,910 [1] 7,248,946 [2]
Total $ 6,544,910 12,182,496
Investments(2) [3]   $ 4,933,550
[1] Cash equivalents as of December 31, 2023 and 2022 represent the fair value of the Company's investment in two money market accounts and U.S. Treasury Bills with maturities at the date of purchase of three months or less.
[2] Cash equivalents as of December 31, 2023 and 2022 represent the fair value of the Company’s investment in two money market accounts and U.S. Treasury Bills with maturities at the date of purchase of three months or less.
[3] Investments represents the fair value of the Company's investment in U.S. Treasury Bills with maturities at the date of purchase from three months to one year.