Annual report pursuant to Section 13 and 15(d)

Notes Payable to Former Stockholders - Schedule of Accrued Interest Pertaining to Notes (Detail)

v3.3.1.900
Notes Payable to Former Stockholders - Schedule of Accrued Interest Pertaining to Notes (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Accounts Payable and Accrued Expenses [Member]    
Accounts Payable And Accrued Expenses [Line Items]    
Accrued interest $ 367 $ 396