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Segment Information (Details Textual) - Sales Revenue, Net [Member] | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
U.S. dairy and beef industries [Member] |  |  |  |
Segment Information (Textual) |  |  |  |
Concentration risk percentage | 80.00% | 82.00% | 85.00% | 82.00%
Foreign dairy and beef industries [Member] |  |  |  |
Segment Information (Textual) |  |  |  |
Concentration risk percentage | 17.00% | 15.00% | 13.00% | 16.00%

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