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Related Person Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sofar    
Related Party Transaction [Line Items]    
Expenses for administrative services $ 26 $ 0
1Med S.A | Service Supply Agreement    
Related Party Transaction [Line Items]    
Expenses incurred under related party transactions 12 71,000
Synecor, LLC    
Related Party Transaction [Line Items]    
Payments to acquire $ 0 $ 24