Annual report pursuant to Section 13 and 15(d)

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)
$ in Millions
12 Months Ended
Dec. 31, 2016
USD ($)
ft²
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Commitments And Contingencies Disclosure [Abstract]      
Operating leases expiration period 2020-12    
Square Feet of Office and Laboratory | ft² 49,000    
Rent expenses $ 4.2 $ 1.9 $ 1.7
Purchase commitments expiration year 2020    
Capital lease expiration year 2020    
Weighted average interest rates 6.03%    
Base salaries expected in 2016 $ 2.4