Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Schedule of Goodwill, Finite and Indefinite-lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 100	$ 1,400	$ 259	$ 4,028
Finite-lived Intangible Assets [Roll Forward]
Total intangible assets, gross carrying value	4,863		4,863		$ 41,796
Finite-lived intangible assets, accumulated amortization	3,379		3,379		8,094
Intangible, Impaired, Accumulated Impairment Loss	0		0		32,084
Total intangible assets, net book value	1,484		1,484		1,618
Total	1,732		1,732
Foreign Currency [Member]
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value	(933)		(933)		(1,294)
Finite-lived intangible assets, accumulated amortization	(685)		(685)		(853)
Intangible, Impaired, Accumulated Impairment Loss	0		0		0
Total	(248)		(248)		(441)
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value	5,796		5,796		5,796
Finite-lived intangible assets, accumulated amortization	4,064		4,064		3,737
Intangible, Impaired, Accumulated Impairment Loss	0		0		0
Total	$ 1,732		$ 1,732		2,059
Non-compete agreements
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value					177
Finite-lived intangible assets, accumulated amortization					177
Intangible, Impaired, Accumulated Impairment Loss					0
Total					0
In-process research and development (IPR&D)
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value					27,100
Finite-lived intangible assets, accumulated amortization					4,074
Intangible, Impaired, Accumulated Impairment Loss					23,026
Total					0
Developed technology
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value					8,880
Finite-lived intangible assets, accumulated amortization					802
Intangible, Impaired, Accumulated Impairment Loss					8,078
Total					0
Trade name
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value					170
Finite-lived intangible assets, accumulated amortization					92
Intangible, Impaired, Accumulated Impairment Loss					78
Total					0
Patent and trademarks
Finite-lived Intangible Assets [Roll Forward]
Finite-lived intangible assets, gross carrying value					967
Finite-lived intangible assets, accumulated amortization					65
Intangible, Impaired, Accumulated Impairment Loss					902
Total					$ 0