Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 20,906
Translation differences	170
Goodwill, ending balance	21,076		$ 20,906
Accumulated impairment loss	0
Schedule of definite-lived intangible assets [Abstract]
Gross amount beginning of period	8,280	$ 8,488	8,488
Translation differences	35		(208)
Gross amount end of period	8,315		8,280
Accumulated amortization	(2,945)		(2,518)
Net Book Value	5,370		5,762
Amortization expense	415	427
Estimated amortization expense for amortizable intangible assets [Abstract]
Last six months of 2015	416
2016	832
2017	832
2018	832
2019	832
Thereafter	1,626
Net Book Value	5,370		5,762
Trademarks [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross amount beginning of period	3,592	3,672	3,672
Translation differences	13		(80)
Gross amount end of period	3,605		3,592
Accumulated amortization	(1,277)		(1,092)
Net Book Value	2,328		2,500
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	2,328		2,500
Customer Relationships [Member]
Schedule of definite-lived intangible assets [Abstract]
Gross amount beginning of period	4,688	$ 4,816	4,816
Translation differences	22		(128)
Gross amount end of period	4,710		4,688
Accumulated amortization	(1,668)		(1,426)
Net Book Value	3,042		3,262
Estimated amortization expense for amortizable intangible assets [Abstract]
Net Book Value	$ 3,042		$ 3,262