Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Asset (Liability) [Member]
Fair value hierarchy level for the Company's liabilities measured
Interest rate swap	$ (40)	$ (68)
Forward foreign exchange contracts	338	(29)
Total	298	(97)
Level 1 [Member]
Fair value hierarchy level for the Company's liabilities measured
Interest rate swap
Forward foreign exchange contracts
Total
Level 2 [Member]
Fair value hierarchy level for the Company's liabilities measured
Interest rate swap	(40)	(68)
Forward foreign exchange contracts	338	(29)
Total	298	(97)
Level 3 [Member]
Fair value hierarchy level for the Company's liabilities measured
Interest rate swap
Forward foreign exchange contracts
Total