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Contingent Liabilities (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Loss Contingencies [Line Items]      
Number of lawsuits against the company 5 2  
Minimum limit of per claim for providing insurance coverage on annual basis $ 5,000    
Maximum limit of aggregate loss incurred annually for providing insurance coverage on annual basis 10,000    
Total amount of damages claimed        
Total Product Liability Expense $ 1,253 $ 177 $ 1,617