Annual report pursuant to Section 13 and 15(d)

Income Taxes - Tax Expense Differences From Expected Tax Expenses (Detail)

v3.6.0.2
Income Taxes - Tax Expense Differences From Expected Tax Expenses (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Expected provision at statutory federal rate $ (1,074) $ (17,596)
State tax - net of federal benefit 23 74
Foreign income/losses taxed at different rates (38) (43)
Sale of BioZone 949 0
Stock-based compensation 0 56
Other 217 (125)
Change in valuation allowance 241 17,739
Provision for income taxes, net $ 318 $ 105