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Revenues are attributable to countries based on the location of the Company’s customers: (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 5,625 $ 5,087 $ 9,127 $ 10,088
UNITED STATES        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 5,625 $ 5,087 $ 9,127 $ 10,088