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Summary of Significant Accounting Policies (Details 1) | 3 Months Ended
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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%.

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