Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Segments (Details)

v3.25.4
Summary of Significant Accounting Policies - Segments (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
segment
Dec. 31, 2024
USD ($)
Summary of Significant Accounting Policies    
Number of operating segment | segment 1  
Number of reportable segments | segment 1  
Sales $ 27,207 $ 33,706
U3O8 product costs 24,430 36,674
Lower of cost or NRV adjustments 2,703 6,005
Cost of sales 27,133 42,679
Gross profit (loss) 74 (8,973)
Exploration and evaluation 4,899 3,803
Development 54,430 41,509
General and administration 8,880 8,044
Accretion of asset retirement obligations 1,245 760
Operating costs 69,454 54,116
Operating profit (loss) (69,380) (63,089)
Interest income 2,407 3,677
Interest expense (1,947) (336)
Mark to market gain (loss) (6,124) 6,444
Foreign exchange gain (loss) (26) 80
Other income (loss) 172 35
Net income (loss) (74,898) (53,189)
U3O8 sales    
Summary of Significant Accounting Policies    
Sales 27,179 33,146
Disposal fees    
Summary of Significant Accounting Policies    
Sales 28 560
Single operating segment    
Summary of Significant Accounting Policies    
Sales 27,207 33,706
U3O8 product costs 24,430 36,674
Lower of cost or NRV adjustments 2,703 6,005
Cost of sales 27,133 42,679
Gross profit (loss) 74 (8,973)
Exploration and evaluation 4,899 3,803
Development 54,430 41,509
General and administration 8,880 8,044
Accretion of asset retirement obligations 1,245 760
Operating costs 69,454 54,116
Operating profit (loss) (69,380) (63,089)
Interest income 2,407 3,677
Interest expense (1,947) (336)
Mark to market gain (loss) (6,124) 6,444
Foreign exchange gain (loss) (26) 80
Other income (loss) 172 35
Net income (loss) (74,898) (53,189)
Single operating segment | U3O8 sales    
Summary of Significant Accounting Policies    
Sales 27,179 33,146
Single operating segment | Disposal fees    
Summary of Significant Accounting Policies    
Sales $ 28 $ 560