Note 6 - Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

		*As of June 30, 2026*
		*Level 1*				*Level 2*				*Level 3*				*Total*
Assets, at fair value
Residential mortgage loans, at fair value		$	—			$	—			$	44,917,370			$	44,917,370
Mortgage servicing rights investments, at fair value			—				—				9,177,251				9,177,251
Other assets, at fair value ⁽¹⁾			625,196				—				—				625,196
Total assets, at fair value		$	625,196			$	—			$	54,094,621			$	54,719,817

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

		*Six Months Ended June 30, 2026*
		*Residential*				*Mortgage*
		*Mortgage*				*Servicing Rights*
		*Loans*				*Investments*				*Total*
Fair value balance as of January 1, 2026		$	—			$	—			$	—
Additions			45,398,402				9,223,645				54,622,047
Principal repayment			(194,194	)			—				(194,194	)
Discount amortization, net			81,751				—				81,751
Disposals			(426,581	)			—				(426,581	)
Net change in fair value			57,992				(46,394	)			11,598
Fair value balance as of June 30, 2026		$	44,917,370			$	9,177,251			$	54,094,621

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

*As of June 30, 2026*
				*Principal*
	*Fair*			*Valuation*	*Unobservable*
Investment	*Value*			*Technique*	*Inputs*	*Range*			*Average*
Residential mortgage loans, at fair value	$	44,917,370		DCF	Discount Rate		6.50% - 7.50%			7.00	%
					Expected Life (years)	4.5 - 6.5 years			5.5 years
Mortgage servicing rights investments, at fair value		9,177,251		DCF	Discount Rate		9.01% - 9.02%			9.01	%
					Expected Life (years)	4.1 - 8.4 years			7.7 years
					Prepayment rate (CPR)		5.21% - 7.58%			7.21	%
					Default Rate (CDR)		0.12% - 0.13%			0.13	%
	$	54,094,621

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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