XML 50 R41.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Details 2)
Sep. 30, 2017
Dec. 31, 2016
Patterson Companies, Inc. [Member]    
Revenue, Major Customer [Line Items]    
Accounts receivable due from significant customers 52.00% 31.00%
AmerisourceBergen Corporation [Member]    
Revenue, Major Customer [Line Items]    
Accounts receivable due from significant customers 20.00% 33.00%