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Note 6 - Segment Information (Tables)
9 Months Ended
Sep. 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 September 30, 2023

                

Revenues

 $73,112  $12,401  $  $85,513 

Gain on asset sales and disposals

  854         854 

Operating and maintenance expenses

  8,305   53      8,358 

Depreciation, depletion and amortization

  4,589      5   4,594 

General and administrative expenses

        5,669   5,669 

Asset impairments

  63         63 

Other expenses, net

        3,837   3,837 

Net income (loss)

  61,009   12,348   (9,511)  63,846 
                 

For the Three Months Ended September 30, 2022

                

Revenues

 $87,348  $14,556  $  $101,904 

Gain on asset sales and disposals

  354         354 

Operating and maintenance expenses

  7,867   31      7,898 

Depreciation, depletion and amortization

  6,850         6,850 

General and administrative expenses

        4,518   4,518 

Asset impairments

  812         812 

Other expenses, net

        7,625   7,625 

Net income (loss)

  72,173   14,525   (12,143)  74,555 
                 

For the Nine Months Ended September 30, 2023

                

Revenues

 $217,258  $58,633  $  $275,891 

Gain on asset sales and disposals

  955         955 

Operating and maintenance expenses

  23,226   225      23,451 

Depreciation, depletion and amortization

  12,455      14   12,469 

General and administrative expenses

        17,157   17,157 

Asset impairments

  132         132 

Other expenses, net

        10,182   10,182 

Net income (loss)

  182,400   58,408   (27,353)  213,455 
                 

For the Nine Months Ended September 30, 2022

                

Revenues

 $247,172  $44,036  $  $291,208 

Gain on asset sales and disposals

  699         699 

Operating and maintenance expenses

  25,884   105      25,989 

Depreciation, depletion and amortization

  16,565         16,565 

General and administrative expenses

        14,037   14,037 

Asset impairments

  874         874 

Other expenses, net

        29,168   29,168 

Net income (loss)

  204,548   43,931   (43,205)  205,274