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General (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
numberOfVIEs
Sep. 30, 2020
USD ($)
Oct. 31, 2021
Jul. 31, 2021
Dec. 31, 2020
USD ($)
Basis of Presentation and Significant Accounting Policies [Abstract]            
Number of variable interest entities with directed activities | numberOfVIEs   2        
Percent of increase in starting wages for production workforce         7.00%  
Intangible assets, net           $ 38
Amortization of intangible assets $ 58 $ 38 $ 175      
Goodwill   $ 3,200       $ 3,200
Subsequent Event            
Subsequent Event [Line Items]            
Percent of cost of living increase       3.50%