Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Components of provision for income taxes
Income tax expense	$ 948	$ 514	$ 3,483	$ 1,445
Current-
Current- Foreign	415	79	2,018	155
Current- Federal	(59)		32
Current- State	$ 592	$ 435	$ 1,433	$ 1,290

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

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Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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