Quarterly report pursuant to Section 13 or 15(d)

Supplemental Financial Statement Information (Details)

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Supplemental Financial Statement Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Debt Instrument [Line Items]        
Interest Expense $ (246,000) $ (1,020,000) $ (449,000) $ (2,105,000)
Warrant Incentive Expense 0 (12,664,000) 0 (12,664,000)
Gain on Revaluation of Warrants 23,000 6,063,000 60,000 6,202,000
Loss on Revaluation of Equity Investment in YFE (881,000) 4,322,000 (881,000) 3,427,000
Realized Loss on Marketable Securities Investments (216,000) (720,000) (357,000) (2,257,000)
Gain (Loss) on Foreign Exchange (330,000) 35,000 (980,000) 355,000
Interest Income 42,000 158,000 95,000 468,000
Finance Lease Interest Expense (24,000) (54,000) (54,000) (104,000)
Other 370,000 2,000 534,000 3,000
Other Expense, net (1,016,000) (2,858,000) (1,583,000) (4,570,000)
Investment income, interest   300,000   700,000
Premium amortization expense   (200,000)   (300,000)
Warrant | Exchange Warrants        
Debt Instrument [Line Items]        
Warrants and rights outstanding   12,700,000   12,700,000
Incremental warrant incentive expense   3,500,000    
Warrant | Warrants        
Debt Instrument [Line Items]        
Gain on Revaluation of Warrants   6,000,000.0   6,000,000.0
YFE Acquisition        
Debt Instrument [Line Items]        
Equity method investment, fair value, foreign currency impact, loss 200,000   600,000  
Bank Indebtedness        
Debt Instrument [Line Items]        
Interest expense, debt 200,000   100,000  
Margin Loan        
Debt Instrument [Line Items]        
Interest expense, debt $ 12,429 600,000 $ 31,061 1,300,000
Production Facilities Loans and Bank Indebtedness        
Debt Instrument [Line Items]        
Interest expense, debt   $ 400,000   $ 800,000