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

3 Months Ended

Mar. 31, 2019

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 months ended March 31, 2019 and 2018:

	Three Months Ended March 31,
	2019	2018
McKesson Corporation	37%	27%
AmerisourceBergen Drug Corporation	27%	27%
Cardinal Health	13%	<10%