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Income Taxes - Schedule of Components of Provision for Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Current, Federal $ (593) $ (3,386) $ (2,750)
Current, State 63 (344) (173)
Current, Foreign (37) (109)
Total current (567) (3,730) (3,032)
Deferred, Federal (633) (220) 379
Deferred, State (17) (10) 27
Deferred, foreign 115 470 401
Deferred provision before change in valuation allowance (535) 240 807
Change in valuation allowance (332) (285) (408)
Total deferred (867) (45) 399
(Provision) for income taxes $ (1,434) $ (3,775) $ (2,633)