v3.26.3
Note 6 - Fair Value Measurement - Schedule of Financial Assets and Liabilities at Fair Value (Details)
Sep. 30, 2026
USD ($)
Residential mortgage loans, at fair value $ 84,484,411
Mortgage servicing rights investments, at fair value 6,806,924
Other assets, at fair value 2,968,714 [1]
Total assets, at fair value 94,260,049
Fair Value, Inputs, Level 1 [Member]  
Residential mortgage loans, at fair value 0
Mortgage servicing rights investments, at fair value 0
Other assets, at fair value 2,968,714 [1]
Total assets, at fair value 2,968,714
Fair Value, Inputs, Level 2 [Member]  
Residential mortgage loans, at fair value 0
Mortgage servicing rights investments, at fair value 0
Other assets, at fair value 0 [1]
Total assets, at fair value 0
Fair Value, Inputs, Level 3 [Member]  
Residential mortgage loans, at fair value 84,484,411
Mortgage servicing rights investments, at fair value 6,806,924
Other assets, at fair value 0 [1]
Total assets, at fair value $ 91,291,335
[1] Represents unrealized gain on interest futures contracts.