v3.26.1
Marketable Securities - Maturities of Marketable Securities (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
Held-to-maturity securities:    
Due in one year or less $ 6,098,773 $ 2,467,475
Due in 12 – 24 months 6,481,000 8,758,000
Held-to-maturity securities $ 12,579,773 $ 11,225,475