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Debt - Schedule of Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
Debt Disclosure [Abstract]      
Secured term note payable $ 2,077 $ 9,077  
Secured promissory note - related party 5,000 0 $ 48,700
Insurance and other notes payable 558 121  
Less: amounts due within one year (1,558) (2,621)  
Total long-term debt $ 6,077 $ 6,577