Note 6 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Operating Segments
(In thousands)	Mineral Rights		Soda Ash		Corporate and Financing			Total
For the Three Months Ended June 30, 2023
Revenues	$	64,277	$	26,978	$	—		$	91,255
Gain on asset sales and disposals		5		—		—			5
Operating and maintenance expenses		7,916		14		—			7,930
Depreciation, depletion and amortization		3,787		—		5			3,792
General and administrative expenses		—		—		5,643			5,643
Asset impairments		69		—		—			69
Other expenses, net		—		—		3,492			3,492
Net income (loss)		52,510		26,964		(9,140	)		70,334
For the Three Months Ended June 30, 2022
Revenues	$	84,945	$	14,643	$	—		$	99,588
Gain on asset sales and disposals		345		—		—			345
Operating and maintenance expenses		9,992		23		—			10,015
Depreciation, depletion and amortization		5,847		—		—			5,847
General and administrative expenses		—		—		5,052			5,052
Asset impairments		43		—		—			43
Other expenses, net		—		—		12,156			12,156
Net income (loss)		69,408		14,620		(17,208	)		66,820
For the Six Months Ended June 30, 2023
Revenues	$	144,146	$	46,232	$	—		$	190,378
Gain on asset sales and disposals		101		—		—			101
Operating and maintenance expenses		14,921		172		—			15,093
Depreciation, depletion and amortization		7,866		—		9			7,875
General and administrative expenses		—		—		11,488			11,488
Asset impairments		69		—		—			69
Other expenses, net		—		—		6,345			6,345
Net income (loss)		121,391		46,060		(17,842	)		149,609
For the Six Months Ended June 30, 2022
Revenues	$	159,824	$	29,480	$	—		$	189,304
Gain on asset sales and disposals		345		—		—			345
Operating and maintenance expenses		18,017		74		—			18,091
Depreciation, depletion and amortization		9,715		—		—			9,715
General and administrative expenses		—		—		9,519			9,519
Asset impairments		62		—		—			62
Other expenses, net		—		—		21,543			21,543
Net income (loss)		132,375		29,406		(31,062	)		130,719