Schedule of Fair Value Estimates for Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Carrying Amount [Member] \| Fair Value, Inputs, Level 1 [Member]
Financial Assets
Cash and cash equivalents including restricted cash	$ 3,041	$ 3,740
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member]
Financial Assets
Certificates of deposit	2,275	2,275
Accrued interest on loans	1,488	1,111
Financial Liabilities
Refundable prepaid interest	986	965
Loan deposits	1,188	838
Accrued interest payable	4,706	3,595
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member] \| Secured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	28,010	18,445
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member] \| Unsecured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	40,523	35,774
Carrying Amount [Member] \| Fair Value, Inputs, Level 3 [Member]
Financial Assets
Loans receivable, net	73,814	59,223
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 1 [Member]
Financial Assets
Cash and cash equivalents including restricted cash	3,041	3,740
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member]
Financial Assets
Certificates of deposit	2,275	2,275
Accrued interest on loans	1,488	1,111
Financial Liabilities
Refundable prepaid interest	986	965
Loan deposits	1,188	838
Accrued interest payable	4,706	3,595
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member] \| Secured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	28,010	18,445
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member] \| Unsecured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	40,523	35,774
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 3 [Member]
Financial Assets
Loans receivable, net	$ 73,814	$ 59,223