v3.26.1
Marketable Securities - Maturities of Marketable Securities (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Held-to-maturity securities:    
Due in one year or less $ 8,498,606 $ 10,618,881
Due in 12 – 24 months 971,000 1,997,000
Held-to-maturity securities $ 9,469,606 $ 12,615,881