v3.6.0.2
INCOME TAXES - Income Before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Domestic $ (27,520) $ (37,658) $ (22,145)
Foreign (9,122) (6,208) (6,451)
Loss before income Taxes $ (36,642) $ (43,866) $ (28,596)