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Warranties (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Product Warranty Liability [Line Items]    
Beginning balance $ 141 $ 313
Warranty provisions 24 13
Warranty claims (24) (26)
Adjustments to preexisting warranties 3 (149)
Currency (2) (1)
Ending balance $ 142 $ 150
Minimum [Member]    
Product Warranty Liability [Line Items]    
Product Warranty Period 2 years  
Maximum [Member]    
Product Warranty Liability [Line Items]    
Product Warranty Period 3 years