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Major Customer and Geographic Information (Schedule of Non-affiliated Customers with Accounts Receivable) (Details) - Accounts Receivable [Member]
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Customer A [Member]    
Concentration Risk [Line Items]    
Risk percentage 5.00% 31.00%
Customer B [Member]    
Concentration Risk [Line Items]    
Risk percentage 47.00% 25.00%
Customer C [Member]    
Concentration Risk [Line Items]    
Risk percentage 26.00%