Financing Arrangements - Schedule of Long-Term Debt (Details) In Thousands, unless otherwise specified	Mar. 31, 2015 USD ($)	Mar. 31, 2015 EUR (€)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 EUR (€)	Mar. 31, 2015 Lloyds TSB Term Loan [Member] USD ($)	Dec. 31, 2014 Lloyds TSB Term Loan [Member] USD ($)	Mar. 31, 2015 Lloyds Mortagage [Member] USD ($)	Dec. 31, 2014 Lloyds Mortagage [Member] USD ($)	Mar. 31, 2015 BPI France Loan [Member] USD ($)	Dec. 31, 2014 BPI France Loan [Member] USD ($)
Capital lease obligations		€ 519		€ 4,199	$ 1,123	$ 1,316	$ 1,942	$ 2,056	$ 217	$ 243
Current portion of long-term debt	(743)		(776)
Long-term debt	$ 3,058		$ 3,423			$ 1,316