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Summary of Significant Accounting Policies (Details) - Schedule of product warranty liability - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of product warranty liability [Abstract]    
Balance, beginning of period $ 4 $ 8
Charged to cost of sales 18 31
Actual product warranty expenditures (20) (35)
Balance, end of period $ 2 $ 4