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Concentration of Credit Risk (Details Textual) - Elemetal [Member]
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Supplier Concentration Risk [Member]    
Unusual Risk or Uncertainty [Line Items]    
Concentration Risk, Percentage 26.00% 26.00%
Sales Revenue, Net [Member]    
Unusual Risk or Uncertainty [Line Items]    
Concentration Risk, Percentage 24.00% 23.00%
Accounts Receivable [Member]    
Unusual Risk or Uncertainty [Line Items]    
Concentration Risk, Percentage 74.00% 24.00%