Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.6.0.2
Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Nov. 08, 2013
ft²
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Loss Contingencies [Line Items]      
Rent expenses   $ 300,000 $ 300,000
Accrued in the consolidated balance sheets related to indemnification obligations   0  
Indemnification liabilities   $ 0 $ 0
Lease Facility [Member]      
Loss Contingencies [Line Items]      
Area of office space | ft² 8,894    
Lease start date Jan. 16, 2014    
Lease expiration date Dec. 31, 2018