Quarterly report [Sections 13 or 15(d)]

Note 3 - Cash Equivalents and Investments - Schedule of Investments (Details)

v3.26.1
Note 3 - Cash Equivalents and Investments - Schedule of Investments (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Investments, cost basis $ 52,244,653 $ 60,718,652
Investments, unrealized gains 124,638 157,317
Investments, unrealized losses 0 0
Investments, aggregate fair value 52,369,292 60,875,969
Investments, unrealized loss (0) 0
US Treasury Securities [Member]    
Investments, cost basis 7,759,050 12,730,543
Investments, unrealized gains 30,732 25,314
Investments, unrealized losses 0 0
Investments, aggregate fair value 7,789,782 12,755,857
Investments, unrealized loss (0) 0
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]    
Investments, cost basis 41,045,555 41,703,814
Investments, unrealized gains 93,906 132,003
Investments, unrealized losses 0 0
Investments, aggregate fair value 41,139,461 41,835,818
Investments, unrealized loss (0) 0
Money Market Funds [Member]    
Investments, cost basis 3,440,048 6,284,294
Investments, unrealized gains 0 0
Investments, unrealized losses 0 0
Investments, aggregate fair value 3,440,048 6,284,294
Investments, unrealized loss $ (0) $ 0