v3.3.1.900
Income Taxes - Components of Income Tax Provision (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Current tax provision:      
Federal     $ (49)
State $ (3) $ (3) (2)
Foreign   (11)  
Total (3) (14) (51)
Deferred tax benefit (provision):      
Federal (31) (437) (205)
State 12 (2) (200)
Total (19) (439) (405)
Change in valuation allowance 19 439 405
Total provision for income taxes $ (3) $ (14) $ (51)