Investments, Mortgage Loans, Investment Real Estate, Notes Receivable, and Short-Term Investments (Details) - USD ($)	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Mortgage Loans [Abstract]
Mortgage loans acquired, including discounted mortgage loans	$ 2,050,124	$ 1,755,496
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 [Abstract]
Mortgage loans, gross	15,155,687		30,698,694
Less allowance for credit losses	(370,000)		0
Mortgage loans, net	14,785,687		30,698,694	[1]
Investment Real Estate [Abstract]
Impairment on investment real estate	0
Total investment real estate	$ 31,609,218		$ 34,934,352	[1]
Oil & Gas Royalties - as a % of total Inv RE	43.00%		42.00%
Investment real estate acquired	$ 4,115,151	4,236,603
Notes Receivable [Abstract]
Notes receivable acquired	3,579,241	5,870,657
Notes receivable	13,352,860		$ 14,424,127
Less allowance for credit losses	(170,000)		0
Total notes receivable, net	13,182,860		14,424,127	[1]
Short-Term Investments [Abstract]
Short-term investments acquired	$ 29,300,034	$ (0)
Minimum [Member]
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]
Total investment real estate	$ 7,471,926		11,634,472
Commercial [Member]
Investment Real Estate [Abstract]
Total investment real estate	5,847,661		5,124,847
Residential [Member]
Investment Real Estate [Abstract]
Total investment real estate	4,738,882		3,402,502
Land, Minerals and Royalty Interests [Member]
Investment Real Estate [Abstract]
Total investment real estate	13,550,749		14,772,531
Farm Loans [Member]
Mortgage loan holdings [Abstract]
Mortgage loans, gross	$ 338,207		$ 383,278
Farm Loans [Member] | Minimum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.00%		4.50%
Farm Loans [Member] | Maximum [Member]
Mortgage Loans [Abstract]
Interest rate on mortgage loans	5.00%		5.00%
Commercial Loans [Member]
Mortgage loan holdings [Abstract]
Mortgage loans, gross	$ 14,610,583		$ 30,102,775
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	8.75%		7.00%
Residential Loans [Member]
Mortgage loan holdings [Abstract]
Mortgage loans, gross	$ 206,897		$ 212,641
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%

[1] Balance sheet audited at December 31, 2022.