Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 1,615	$ 1,642	$ 1,572
Carrying amount	15,688	15,850
Accumulated amortization	7,243	5,686
Net	8,445	10,164
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2016	1,817
2017	1,644
2018	1,644
2019	1,352
2020	1,059
Thereafter	929
Total	8,445	10,164
Goodwill [Abstract]
Beginning balance	10,259	10,532
Foreign currency translation adjustments	(214)	(273)
Ending balance	$ 10,045	10,259	$ 10,532
Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	11 years
Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	9 years
Purchased and Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying amount	$ 8,140	8,140
Accumulated amortization	3,996	3,216
Net	4,144	4,924
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Total	$ 4,144	4,924
Purchased and Developed Technology [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	11 years
Purchased and Developed Technology [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	9 years
Purchased Licenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying amount	$ 5,050	5,050
Accumulated amortization	2,020	1,515
Net	3,030	3,535
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Total	$ 3,030	3,535
Purchased Licenses [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	10 years
Purchased Licenses [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	5 years
Trademark/Tradename [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying amount	$ 2,210	2,210
Accumulated amortization	960	806
Net	1,250	1,404
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Total	$ 1,250	1,404
Trademark/Tradename [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	11 years
Trademark/Tradename [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	10 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful lives	9 years
Carrying amount	$ 640	640
Accumulated amortization	276	204
Net	364	436
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Total	364	436
Foreign Currency Translation Adjustments [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying amount	(352)	(190)
Accumulated amortization	(9)	(55)
Net	(343)	(135)
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Total	$ (343)	$ (135)