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Summary of Significant Accounting Policies (Details 1)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Patterson Companies, Inc. [Member]    
Revenue, Major Customer [Line Items]    
Concentration risk percentage 40.00% 37.00%
AmerisourceBergen Corporation [Member]    
Revenue, Major Customer [Line Items]    
Concentration risk percentage 26.00% 21.00%
Robert J. Matthews Company [Member]    
Revenue, Major Customer [Line Items]    
Concentration risk percentage [1] 10.00%
[1] Amount is less than 10%.