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Segment and Significant Customer Information (Details Textual) - Sales Revenue, Net [Member]
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Subsequent event [Textual]        
Concentration Risk, Percentage     10.00%  
U.S. dairy and beef industries [Member]        
Subsequent event [Textual]        
Concentration Risk, Percentage 82.00% 83.00% 82.00% 81.00%
Foreign dairy and beef industries [Member]        
Subsequent event [Textual]        
Concentration Risk, Percentage 15.00% 14.00% 16.00% 14.00%