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Related Party Disclosures (Tables)
 12 Months Ended
Dec. 31, 2019
Related Party Transactions [Abstract]  
Schedule of Notes Payable to Related Party As of December 31, 2018, principal amounts owed under the loan agreement totaled $1.3 million as described in the table below:
(in thousands)As of December 31, 2018
Notes payable to related party$1,294  
Less: Current portion(187) 
Notes payable to related party, net of current portion$1,107