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Income Taxes (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current:      
Federal $ (2,536) $ 1,354 $ (231)
State (703) (217) (269)
Foreign 0 0 15
Total current income tax (expense) benefit (3,239) 1,137 (485)
Deferred:      
Federal (80) (461) (1,049)
State 887 (154) (40)
Total deferred income tax (expense) benefit 807 (615) (1,089)
Total income tax (expense) benefit $ (2,432) $ 522 $ (1,574)