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Mining Equipment, Net - Schedule of Mining Equipment (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Mining equipment    
Balance, beginning of year $ 17,109,000 $ 15,978,000
Additions 686,000 1,573,000
Disposals (442,000)
Ending balance 17,795,000 17,109,000
Accumulated depreciation    
Balance, beginning of year 14,115,000 3,062,000
Additions 1,071,000 11,179,000
Disposals (126,000)
Ending balance 15,186,000 14,115,000
Net carrying amount $ 2,609,000 $ 2,994,000