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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2020
Prepaid Expenses And Other Current Assets  
Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following at December 31, 2020 and 2019 (in thousands):

 

    2020     2019  
             
Prepayments to vendors   $ 5,727     $ 1,389  
Prepaid licenses and other     339       367  
Unbilled revenue     95       9  
                 
Prepaid expenses and other current assets   $ 6,161     $ 1,766