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Organization and Significant Accounting Policies - Schedule of Disaggregates Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Revenue $ 250 $ 54,891 $ 33,030
Product Revenues [Member] | Hardware [Member]      
Revenue   48,460 28,840
Product Revenues [Member] | Software [Member]      
Revenue   2,450 1,460
Service Revenues [Member] | Professional Services [Member]      
Revenue   1,300 1,210
Service Revenues [Member] | Maintenance and Subscription Services [Member]      
Revenue   2,680 1,520
Product and Services [Member]      
Revenue   $ 54,890 $ 33,030