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INVESTMENTS (Summary of Held-to-Maturity Debt Securities by Contractual Maturity) (Details) - USD ($)
Sep. 30, 2025
Jun. 30, 2025
Amortized cost basis    
Due within one year $ 13,942,994 $ 12,879,882
Due after one year through five years 4,000,985 4,000,774
Amortized cost basis 17,943,979 16,880,656
Fair Value    
Due within one year 13,979,090 12,909,183
Due after one year through five years 4,026,773 4,022,951
Fair Value $ 18,005,863 $ 16,932,134