v3.26.1
Note 6 - Fair Value Measurement - Schedule of Financial Assets and Liabilities at Fair Value (Details)
Jun. 30, 2026
USD ($)
Residential mortgage loans, at fair value $ 44,917,370
Mortgage servicing rights investments, at fair value 9,177,251
Other assets, at fair value (1) 625,196 [1]
Total assets, at fair value 54,719,817
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 (1) 625,196 [1]
Total assets, at fair value 625,196
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 (1) 0 [1]
Total assets, at fair value 0
Fair Value, Inputs, Level 3 [Member]  
Residential mortgage loans, at fair value 44,917,370
Mortgage servicing rights investments, at fair value 9,177,251
Other assets, at fair value (1) 0 [1]
Total assets, at fair value $ 54,094,621
[1] Represents unrealized gain on interest futures contracts.