v3.26.1
Marketable Securities - Maturities of Marketable Securities (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Held-to-maturity securities:    
Due in one year or less $ 11,680,204 $ 10,618,881
Due in 12 – 24 months 971,000 1,997,000
Held-to-maturity securities $ 12,651,204 $ 12,615,881