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The following table presents our revenues disaggregated by revenue discipline: (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Disaggregation of Revenue [Line Items]        
Total revenue $ 4,289 $ 5,625 $ 10,325 $ 9,127
Product [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue 2,432 3,755 6,934 5,668
Service [Member]        
Disaggregation of Revenue [Line Items]        
Total revenue $ 1,857 $ 1,870 $ 3,391 $ 3,459