v3.25.2
Debt (Details)
$ / shares in Units, lb in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Dec. 05, 2023
lb
Feb. 29, 2024
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 27, 2025
USD ($)
Feb. 14, 2023
USD ($)
$ / shares
Notes payable                
Debt Instrument [Line Items]                
Interest rate (as a percent) 9.00%           10.00%  
Interest expense     $ 240,000 $ 445,000 $ 586,000 $ 626,000    
Uranium loan | lb 200              
Term of loan agreement 12 months              
Notes payable | Cash Facility                
Debt Instrument [Line Items]                
Provide for a cash facility             $ 3,600,000  
Notes payable | Secured Convertible Notes due February 2025                
Debt Instrument [Line Items]                
Repayments of convertible debt         $ 10,054,000      
Convertible debt                
Debt Instrument [Line Items]                
Face amount               $ 60,000,000
Conversion price (in USD per share) | $ / shares               $ 2.91
Interest rate (as a percent)               8.00%
Unamortized premium               $ 3,813,000
Long-term debt               $ 56,187,000
Accretion expense           64,000    
Interest expense       $ 0   $ 218,000    
Shares issued during debt conversion | shares   6,872,143