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Accounts Receivable - Trade (Tables)
12 Months Ended
Dec. 31, 2020
Receivables [Abstract]  
Schedule of Accounts Receivable - Trade

Accounts receivable consisted of the following at December 31, 2020 and 2019 (in thousands):

 

    2020     2019  
             
Accounts receivable – trade   $ 21,769     $ 4,522  
Allowance for doubtful accounts     (473 )     (358 )
Allowance for sales returns and volume rebates     (426 )     (499 )
                 
Accounts receivable - trade, net of allowances   $ 20,869     $ 3,665