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Debt (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of carrying value of debt
    December 31,  
    2020     2019  
    (in thousands)
Convertible notes payable, net of unamortized discount at December 31, 2020 and 2019 of $0 and $6,451, respectively   $         -     $ 16,113  
Paycheck Protection Program loan     908       -  
Finance lease obligations     49       289  
                 
      957       16,402  
                 
Less current portion     49       6,720  
                 
Debt, net of current portion   $ 908     $ 9,682