Basis of Presentation and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Schedule of customers representing greater than 10% of revenue balances

The following table sets forth customers who represented 10% or more of our total revenues for the three and nine months ended September 30, 2018 and 2017:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017
AmerisourceBergen Drug Corporation	24%	28%	26%	26%
McKesson Corporation	25%	26%	26%	23%