CONOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Lease revenue	$ 28,252	$ 28,922	$ 28,979
Mining royalty and rents	14,380	12,852	12,527
Joint venture management fee revenue	214	0	0
Total revenues	42,846	41,774	41,506
Cost of operations:
Depreciation, depletion and amortization	10,959	10,187	10,821
Operating expenses	10,297	7,170	7,364
Property taxes	3,907	3,437	3,650
General and administrative	10,655	9,276	7,971
Total cost of operations	35,818	30,070	29,806
Total operating profit	7,028	11,704	11,700
Net investment income	8,824	11,112	10,897
Interest expense	(2,967)	(3,150)	(4,315)
Equity in loss of joint ventures	(9,105)	(11,359)	(11,937)
Gain on sale of real estate and other income	0	182	53
Income before income taxes	3,780	8,489	6,398
Provision for income taxes	818	2,029	1,516
Net income	2,962	6,460	4,882
(Loss) gain attributable to noncontrolling interest	(368)	75	(420)
Net income attributable to the Company	$ 3,330	$ 6,385	$ 5,302
Earnings per common share:
Net income attributable to the Company- Basic (usd per share)	$ 0.18	$ 0.34	$ 0.28
Net income attributable to the Company- Diluted (usd per share)	$ 0.18	$ 0.34	$ 0.28
Number of shares (in thousands) used in computing:
Number of shares (in thousands) used in computing basic earnings per common shares (in shares)	18,967	18,882	18,840
Number of shares (in thousands) used in computing basic earnings per common shares (in shares)	19,015	18,970	18,922