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Segment Information - Schedule of Reportable Segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reportable segment revenue:      
Total segment and consolidated revenue $ 4,522 $ 5,543 $ 6,776
Reportable segment cost of revenue      
Total segment and consolidated cost of revenues 6,868 6,553 6,319
Reconciling Items:      
Selling, general and administrative expenses (2,703) (6,257) (6,837)
Research development expenses (217) (642) (853)
Impairment losses of assets (1,557) (138)
Other income 369 2,023 1,251
Income tax expense
Net loss (6,454) (5,886) (6,120)
Revenue – sales of products      
Reportable segment revenue:      
Total segment and consolidated revenue 3,116 2,503 4,802
Revenue – hosting service [Member]      
Reportable segment revenue:      
Total segment and consolidated revenue 52 366
Revenue – mining pool [Member]      
Reportable segment revenue:      
Total segment and consolidated revenue 69 308
Revenue – mining revenue [Member]      
Reportable segment revenue:      
Total segment and consolidated revenue 1,406 2,919 1,300
Cost of revenues – sales of products [Member]      
Reportable segment cost of revenue      
Total segment and consolidated cost of revenues 3,391 2,276 4,290
Cost of revenues – hosting service [Member]      
Reportable segment cost of revenue      
Total segment and consolidated cost of revenues 38 329
Cost of revenues – mining pool [Member]      
Reportable segment cost of revenue      
Total segment and consolidated cost of revenues 68 308
Cost of revenues – mining revenue [Member]      
Reportable segment cost of revenue      
Total segment and consolidated cost of revenues $ 3,477 $ 4,171 $ 1,392