Nature Of Business And Summary Of Significant Accounting Policies Warranty (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning Balance	$ 239	$ 296	$ 231
Warranty Provisions	237	409	630
Warranty Claims	(283)	(463)	(565)
Foreign Exchange Impact	(4)	(3)	0
Ending Balance	$ 189	$ 239	$ 296