CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues:
Lease revenue		$ 7,086	$ 7,434	$ 21,399	$ 21,850
Mining royalty and rents		3,689	3,199	10,532	9,393
Total revenues		10,775	10,633	31,931	31,243
Cost of operations:
Depreciation/depletion/amortization		2,825	2,551	8,158	7,629
Operating expenses		3,304	1,860	7,743	5,429
Property taxes		955	850	2,895	2,517
General and administrative		2,328	2,289	7,790	6,883
Total cost of operations		9,412	7,550	26,586	22,458
Total operating profit		1,363	3,083	5,345	8,785
Net investment income		2,369	2,304	7,278	8,795
Interest expense		(739)	(742)	(2,258)	(2,482)
Equity in loss of joint ventures		(2,225)	(2,839)	(6,635)	(8,582)
Income before income taxes		768	1,806	3,730	6,516
Provision for income taxes		203	427	907	1,743
Net income		565	1,379	2,823	4,773
Income (loss) attributable to noncontrolling interest		(97)	18	(127)	67
Net income attributable to the Company		$ 662	$ 1,361	$ 2,950	$ 4,706
Earnings per common share
Net income attributable to the Company- basic (in dollars per share)	[1]	$ 0.03	$ 0.07	$ 0.16	$ 0.25
Net income attributable to the Company- diluted (in dollars per share)	[1]	$ 0.03	$ 0.07	$ 0.16	$ 0.25
Number of shares (in thousands) used in computing
Basic earnings per common share (in shares)	[1]	18,976	18,887	18,963	18,877
Diluted earnings per common share (in shares)	[1]	19,026	18,972	19,023	18,967

[1] Adjusted for the 2 for 1 stock split that occurred in April 2024