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Summary of Significant Accounting Policies (Details 1)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Animal Health International, Inc. [Member]    
Revenue, Major Customer [Line Items]    
Concentration risk percentage 42.00% 39.00%
MWI Animal Health [Member]    
Revenue, Major Customer [Line Items]    
Concentration risk percentage 22.00% 21.00%