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Summary of Significant Accounting Policies (Details 2) | Dec. 31, 2016 | Dec. 31, 2015
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AmerisourceBergen Corporation [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Accounts receivable due from significant customers | [1] | 33.00% |  | 27.00%
Patterson Companies, Inc. [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Accounts receivable due from significant customers | [2] | 31.00% |  | 26.00%
ANIMART LLC [Member] |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Accounts receivable due from significant customers | [4] | 0.00% | [3] | 11.00%
[1] | During March 2015, AmerisourceBergen Corporation (NYSE: ABC) acquired MWI Animal Health.
[2] | During June 2015, Patterson Companies, Inc. (NASDAQ: PDCO) acquired Animal Health International, Inc.
[3] | Amount is less than 10%.
[4] | Assumes that the acquisition of Animal Medic by ANIMART LLC (which closed during the third quarter of 2016) had occurred as of the beginning of the periods being reported.

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