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v3.25.1

Schedule of Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 16,898 | $ 25,426
Cost of Revenue | 18,124 | 11,052
Exploration, Development, Permitting And Land Holding | 6,446 | 2,805
Standby Costs | 1,867 | 1,333
Accretion of asset retirement obligations | 1,073 | 276
Selling, General and Administrative Expense, Excluding Share-Based Payment Arrangement, Expense | 12,976 | 6,594
Share-based Payment Arrangement, Expense | 2,605 | 1,345
Costs and Expenses | 43,091 | 23,405
Operating Income (Loss), Total | (26,193) | 2,021
Depletion, depreciation and amortization | 1,271 | 668
Operating Segments | Uranium Segment |  |
Segment Reporting Information [Line Items] |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,355 | 25,426
Cost of Revenue | 0 | 11,052
Exploration, Development, Permitting And Land Holding | 5,196 | 340
Standby Costs | 1,867 | 1,333
Accretion of asset retirement obligations | 346 | 276
Selling, General and Administrative Expense, Excluding Share-Based Payment Arrangement, Expense | 4,659 | 3,231
Share-based Payment Arrangement, Expense | 888 | 759
Costs and Expenses | 12,956 | 16,991
Operating Income (Loss), Total | (11,601) | 8,435
Depletion, depreciation and amortization | 480 | 550
Operating Segments | Heavy Mineral Sands Segment |  |
Segment Reporting Information [Line Items] |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 15,543 | 0
Cost of Revenue | 18,124 | 0
Exploration, Development, Permitting And Land Holding | 1,250 | 404
Standby Costs | 0 | 0
Accretion of asset retirement obligations | 727 | 0
Selling, General and Administrative Expense, Excluding Share-Based Payment Arrangement, Expense | 5,206 | 1,014
Share-based Payment Arrangement, Expense | 1,213 | 196
Costs and Expenses | 26,520 | 1,614
Operating Income (Loss), Total | (10,977) | (1,614)
Depletion, depreciation and amortization | 90 | 40
Operating Segments | Rare Earth Elements Segment |  |
Segment Reporting Information [Line Items] |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0
Cost of Revenue | 0 | 0
Exploration, Development, Permitting And Land Holding | 0 | 2,061
Standby Costs | 0 | 0
Accretion of asset retirement obligations | 0 | 0
Selling, General and Administrative Expense, Excluding Share-Based Payment Arrangement, Expense | 3,111 | 1,653
Share-based Payment Arrangement, Expense | 504 | 390
Costs and Expenses | 3,615 | 4,104
Operating Income (Loss), Total | (3,615) | (4,104)
Depletion, depreciation and amortization | $ 710 | 80
Segment Reporting, Reconciling Item, Corporate Nonsegment |  |
Segment Reporting Information [Line Items] |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  | 0
Cost of Revenue |  | 0
Exploration, Development, Permitting And Land Holding |  | 0
Standby Costs |  | 0
Accretion of asset retirement obligations |  | 0
Selling, General and Administrative Expense, Excluding Share-Based Payment Arrangement, Expense |  | 696
Share-based Payment Arrangement, Expense |  | 0
Costs and Expenses |  | 696
Operating Income (Loss), Total |  | $ (696)

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