Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Goodwill and Intangible Assets [Abstract]
Goodwill	$ 8,431	$ 5,612
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	4,858	2,879
Accumulated amortization	(2,254)	(2,425)
Total	2,604	454
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2017	734
2018	578
2019	472
2020	229
2021	168
Thereafter	423
Total	2,604	454
Amortization of definite-lived intangible assets	335	289
Impairment of Intangible Assets, Finite-lived	95
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	3,074	1,425
Accumulated amortization	(1,218)	(1,235)
Total	1,856	190
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	1,856	190
Non Contractual Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	433	911
Accumulated amortization	(426)	(674)
Total	7	237
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	7	237
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	471	471
Accumulated amortization	(412)	(353)
Total	59	118
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	59	118
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	713
Accumulated amortization	(33)
Total	680
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	680
Foreign Currency Translation [Member]
Finite-Lived Intangible Assets [Line Items]
Foreign currency translation		(145)
Foreign currency translation		48
Foreign currency translation		(97)
Others [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	167	217
Accumulated amortization	(165)	(211)
Total	2	6
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Total	$ 2	$ 6