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Related Party Transactions - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jul. 01, 2016
USD ($)
Dec. 31, 2015
USD ($)
Jul. 16, 2015
USD ($)
contract
owner
Consulting | Officer              
Related Party Transaction [Line Items]              
Transaction expenses incurred by parent company $ 69,000 $ 65,000 $ 97,000 $ 112,000      
Outstanding payables due to related party 21,000   21,000     $ 31,000  
Software Licensing and Subscription | Officer              
Related Party Transaction [Line Items]              
Quarterly software licensing fee 20,000            
Deferred costs related to annual software subscription $ 0   $ 0     $ 36,000  
Software Licensing and Subscription | Officer | Subsequent Event              
Related Party Transaction [Line Items]              
Annual subscription, paid in advance         $ 120,000    
Non-cancellable Operating Leases | Employee              
Related Party Transaction [Line Items]              
Number of contracts | contract             2
Number of former owners | owner             1
Term of contract     11 years        
Aggregate annual rental payments             $ 45,000