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Other Receivables, Net (Details) - Schedule of other receivable - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of other receivable [Abstract]      
Deposit to non-trade suppliers $ 43,591 $ 11,127 $ 7,932
Other receivables from disposal of subsidiaries 3,500
Advance to employees 667 612 2,309
Allowance for doubtful accounts (385) (227) (81)
Total other receivables, net 47,373 11,512 10,160
Movements of allowance for doubtful accounts are as follows:      
Beginning balance 227 81
Addition 158 146 81
Ending balance $ 385 $ 227 $ 81