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Accounts Receivable, Net (Details) - Schedule of accounts receivable, net - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of accounts receivable, net [Abstract]      
Accounts receivable $ 10,242 $ 8,177 $ 2,722
Allowance for doubtful accounts (7) (6) (1)
Total accounts receivable, net 10,235 8,171 2,721
Movements of allowance for doubtful accounts are as follows:      
Beginning balance 6 1  
Addition 1 5 1
Ending balance $ 7 $ 6 $ 1