Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Notes Payable to Former Stockholders - Schedule of Accrued Interest Pertaining to Notes (Detail) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Accounts Payable and Accrued Expenses [Member]    
Accounts Payable And Accrued Expenses [Line Items]    
Accrued interest $ 501 $ 367