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Income Taxes (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Current |  |  |
Federal |  |  |
State | 2 | 2 | 3
Foreign | 365 | 91 | 10
Change in deferred |  |  |
Federal | (1,604) | (2,466) | (4,213)
Federal valuation allowance | 1,604 | 2,466 | 4,213
State | (197) | (252) | (460)
State valuation allowance | 197 | 252 | 460
Foreign | (161) | 6 | 64
Foreign valuation allowance | 161 | (6) | (64)
Total current | $ 367 | $ 93 | $ 13

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