v3.26.1
Note 5 - Segment Information - Information By Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Revenues $ 47,182 $ 55,681  
Equity in earnings of Sisecam Wyoming (7,828) 4,610  
Gain on asset sales and disposals (1) 247  
Total revenues and other income 39,353 60,538  
Compensation (salaries, benefits and bonus) 3,861 4,047  
Long-term incentive compensation (1) 1,169 [1] 2,725 [2]  
Property taxes 1,879 1,792  
Depreciation, Depletion and Amortization 7,614 3,989  
Asset impairments 0 20  
Interest expense, net (2) [3] 973 2,668  
Other segment items (3) [4] 4,238 5,044  
Net income (loss) 19,619 40,253  
Total assets 771,657 748,365 $ 748,365
Operating Segments [Member]      
Revenues 47,182 55,681  
Equity in earnings of Sisecam Wyoming (7,828) 4,610  
Gain on asset sales and disposals (1) 247  
Total revenues and other income 39,353 60,538  
Compensation (salaries, benefits and bonus) 1,797 1,938  
Long-term incentive compensation (1) 262 [1] 464 [2]  
Property taxes 1,879 1,792  
Depreciation, Depletion and Amortization 7,610 3,985  
Asset impairments 0 20  
Interest expense, net (2) [3] 0 0  
Other segment items (3) [4] 2,175 2,581  
Net income (loss) 25,630 49,758  
Total assets 766,466 742,916  
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]      
Revenues 0 0  
Equity in earnings of Sisecam Wyoming 0 0  
Gain on asset sales and disposals 0 0  
Total revenues and other income 0 0  
Compensation (salaries, benefits and bonus) 2,064 2,109  
Long-term incentive compensation (1) 907 [1] 2,261 [2]  
Property taxes 0 0  
Depreciation, Depletion and Amortization 4 4  
Asset impairments 0 0  
Interest expense, net (2) [3] 973 2,668  
Other segment items (3) [4] 2,063 2,463  
Net income (loss) (6,011) (9,505)  
Total assets 5,191 5,449  
Mineral Rights Segment [Member]      
Depreciation, Depletion and Amortization 6,100 3,700  
Mineral Rights Segment [Member] | Operating Segments [Member]      
Revenues 47,182 55,681  
Equity in earnings of Sisecam Wyoming 0 0  
Gain on asset sales and disposals (1) 247  
Total revenues and other income 47,181 55,928  
Compensation (salaries, benefits and bonus) 1,797 1,938  
Long-term incentive compensation (1) 262 [1] 464 [2]  
Property taxes 1,879 1,792  
Depreciation, Depletion and Amortization 7,610 3,985  
Asset impairments 0 20  
Interest expense, net (2) [3] 0 0  
Other segment items (3) [4] 2,103 2,521  
Net income (loss) 33,530 45,208  
Total assets 484,989 492,672  
Soda Ash Segment [Member] | Operating Segments [Member]      
Revenues 0 0  
Equity in earnings of Sisecam Wyoming (7,828) 4,610  
Gain on asset sales and disposals 0 0  
Total revenues and other income (7,828) 4,610  
Compensation (salaries, benefits and bonus) 0 0  
Long-term incentive compensation (1) 0 [1] 0 [2]  
Property taxes 0 0  
Depreciation, Depletion and Amortization 0 0  
Asset impairments 0 0  
Interest expense, net (2) [3] 0 0  
Other segment items (3) [4] 72 60  
Net income (loss) (7,900) 4,550  
Total assets $ 281,477 $ 250,244  
[1] Long-term incentive compensation for the three months ended March 31, 2026 includes (1) Mineral Rights segment: $0.1 million of equity compensation and $0.1 million of cash compensation; (2) Corporate & Financing segment: $0.8 million of equity compensation and $0.1 million of cash compensation.
[2] Long-term incentive compensation for the three months ended March 31, 2025 includes (1) Mineral Rights segment: $0.3 million of equity compensation and $0.1 million of cash compensation; (2) Corporate & Financing segment: $2.2 million of equity compensation and $0.1 million of cash compensation.
[3] Included in interest expense, net was $0.2 million of interest income for both the three months ended March 31, 2026 and 2025.
[4] Other segment items in the Mineral Rights segment primarily include: insurance, legal, overriding royalty expense, processing and transportation expense, information technology, shared facility services, rent, professional fees and bad debt expense. Other segment items in the Soda Ash segment primarily include professional fees. Other segment items in the Corporate and Financing segment primarily include: insurance, legal, information technology, shared facility services, rent and professional fees.