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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) - Customer
3 Months Ended 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Organization Consolidation And Presentation Of Financial Statements [Abstract]      
Number of major customer represented stated percentage of total net revenue 0 0  
Number of customers who accounted for more than 10% accounts receivable balance 0   0
Concentration Risk, Customer No customer represented more than 10% of net revenue for the three months ended March 31, 2017 and March 31, 2016, respectively. No customer represented more than 10% of the Company’s accounts receivable balance at March 31, 2017 or December 31, 2016.