Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Term Loan Facility, Debt Discounts and Final Payment (Detail)

v3.3.1.900
Debt - Schedule of Term Loan Facility, Debt Discounts and Final Payment (Detail) - 2015 Term Loan Facility [Member] - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Line of Credit Facility [Line Items]    
Principal payments due under the loan facility $ 10,000 $ 4,755
Less: unamortized debt discount (929) (380)
Plus: accreted value of final payment 237 132
Term loan facility, net $ 9,308 $ 4,507