Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets		$ 502	$ 0
Estimated amortization expense for the remainder of 2017	$ 300	300
Estimated amortization expense for 2018	1,200	1,200
Estimated amortization expense for 2019	1,200	1,200
Estimated amortization expense for 2020	1,200	1,200
Estimated amortization expense for 2021	1,200	1,200
Cost of revenue
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	88	148
Selling, general and administrative
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 200	$ 400