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Related Party Transactions - Additional Information (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Jul. 16, 2015
USD ($)
contract
Consulting | Officer        
Related Party Transaction [Line Items]        
Transaction expenses incurred by parent company $ 20 $ 47    
Outstanding payables due to related party 8   $ 31  
Software Licensing and Subscription | Officer        
Related Party Transaction [Line Items]        
Quarterly software licensing fee 20      
Deferred costs related to annual software subscription $ 15   $ 36  
Non-cancellable Operating Leases | Employee        
Related Party Transaction [Line Items]        
Number of contracts | contract       2
Term of contract 15 years      
Aggregate annual rental payments       $ 45