Product Warranty and Indemnification (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning balance	$ 1,006	$ 1,126	$ 861
Cost of warranty claims	(321)	(150)	790
Accruals for product warranties	(107)	30	(524)
Foreign currency translation adjustment	0	0	(1)
Balance at end of period	$ 578	$ 1,006	$ 1,126
Minimum [Member]
Standard Product Warranty Period [Line Items]
Standard product warranty period	90 days
Maximum [Member]
Standard Product Warranty Period [Line Items]
Standard product warranty period	3 years