Schedule II-Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts Receivable Allowance for Doubtful Accounts
Movement in valuation and qualifying accounts
Beginning Balance	$ 118	$ 225	$ 255
Additions/Charged to Expenses	1,824	486	379
Currency Impact	109
Reductions		(593)	(409)
Balance at End of Period	2,051	118	225
Tax Valuation Allowance
Movement in valuation and qualifying accounts
Beginning Balance	491
Additions/Charged to Expenses	756	491
Balance at End of Period	$ 1,247	$ 491