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Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current:
Federal	$ 1,354	$ (231)	$ (1,067)
State	(217)	(269)	(252)
Foreign	0	15	(37)
Total current	1,137	(485)	(1,356)
Deferred:
Federal	(461)	(1,049)	953
State	(154)	(40)	140
Foreign	0	0	0
Total deferred	(615)	(1,089)	1,093
Total income tax (expense) benefit	$ 522	$ (1,574)	$ (263)

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