Investments, Mortgage Loans, Investment Real Estate, Notes Receivables, and Short-Term Investments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Mortgage Loans [Abstract]
Mortgage loans acquired, including discounted mortgage loans	$ 5,421,945	$ 2,654,293
Servicing fee on loan	0.25%
Loan origination	0.50%
Loan limit threshold for appraised property value	80.00%
Mortgage loans reserve	$ 0	0
Mortgage loan holdings and Outstanding [Abstract]
Mortgage loans, gross	16,512,981	15,592,176
Less allowance for credit losses	(235,000)	(274,000)
Total mortgage loans, net	16,277,981	15,318,176
Total foreclosed loans during the year	0	0
Investment Real Estate [Abstract]
Impairment on investment real estate	0	0
Investment real estate	$ 28,615,602	$ 21,975,120
Oil & Gas Royalties - as a % of total Inv RE	20.00%	34.00%
Investment real estate acquired	$ 11,603,519	$ 3,417,744
Notes receivable [Abstract]
Notes Receivable acquired	805,000	4,779,241
Notes receivable	12,867,175	14,259,225
Less allowance for credit losses	(195,000)	(250,000)
Total notes receivable, net	12,672,175	14,009,225
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	575,000	0
Provision for Change in Allowance	(95,000)	575,000
Ending balance	480,000	575,000
Short-Term Investments [Abstract]
Short-term investments acquired	1,910,488	48,473,476
Unfunded Loan Commitments [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	51,000	0
Provision for Change in Allowance	(1,000)	51,000
Ending balance	50,000	51,000
Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	274,000	0
Provision for Change in Allowance	(39,000)	274,000
Ending balance	235,000	274,000
Notes Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	250,000	0
Provision for Change in Allowance	(55,000)	250,000
Ending balance	$ 195,000	250,000
Minimum [Member]
Mortgage Loans [Abstract]
Loan delinquent period after which letters are sent to mortgagee	30 days
Loan delinquent period after which monthly listing of loans are provided to management	60 days
Loan delinquent period after which loans are placed on non-performing status and classified as delinquent loans	90 days
Investment Real Estate [Abstract]
Estimated useful life	3 years
Maximum [Member]
Investment Real Estate [Abstract]
Estimated useful life	30 years
Raw Land [Member]
Investment Real Estate [Abstract]
Investment real estate	$ 16,446,147	6,971,930
Commercial [Member]
Investment Real Estate [Abstract]
Investment real estate	6,269,217	4,106,938
Residential [Member]
Investment Real Estate [Abstract]
Investment real estate	1,932,390	3,512,408
Land, Minerals and Royalty Interests [Member]
Investment Real Estate [Abstract]
Investment real estate	3,967,848	7,383,844
In Good Standing [Member]
Mortgage loan holdings and Outstanding [Abstract]
Total mortgage loans, net	16,277,981	15,318,176
Farm Loans [Member]
Mortgage loan holdings and Outstanding [Abstract]
Mortgage loans, gross	$ 321,774	$ 332,417
Farm Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	8.00%	5.00%
Farm Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	8.00%	5.00%
Commercial Loans [Member]
Mortgage loan holdings and Outstanding [Abstract]
Mortgage loans, gross	$ 14,749,509	$ 13,764,209
Commercial Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.00%	4.00%
Commercial Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	10.00%	8.75%
Residential Loans [Member]
Mortgage loan holdings and Outstanding [Abstract]
Mortgage loans, gross	$ 1,441,698	$ 1,495,550
Residential Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	4.15%	4.15%
Residential Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.00%	5.00%