Schedule of Fair Value Estimates for Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Carrying Amount [Member] \| Fair Value, Inputs, Level 1 [Member]
Financial Assets
Cash and cash equivalents including restricted cash	$ 3,740	$ 3,347
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member]
Financial Assets
Certificates of deposit	2,275
Accrued interest on loans	1,111	844
Financial Liabilities
Refundable prepaid interest	965	353
Loan deposits	838	867
Accrued interest payable	3,595	3,280
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member] \| Secured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	18,445	21,102
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member] \| Unsecured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	35,774	35,213
Carrying Amount [Member] \| Fair Value, Inputs, Level 3 [Member]
Financial Assets
Loans receivable, net	59,223	49,254
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 1 [Member]
Financial Assets
Cash and cash equivalents including restricted cash	3,740	3,347
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member]
Financial Assets
Certificates of deposit	2,275
Accrued interest on loans	1,111	844
Financial Liabilities
Refundable prepaid interest	965	353
Loan deposits	838	867
Accrued interest payable	3,595	3,280
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member] \| Secured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	18,445	21,102
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member] \| Unsecured Debt [Member]
Financial Liabilities
Notes payable unsecured, net	35,774	35,213
Estimated Fair Value [Member] \| Fair Value, Inputs, Level 3 [Member]
Financial Assets
Loans receivable, net	$ 59,223	$ 49,254