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

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Schedule of customers representing greater than 10% of accounts receivable balances

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

	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
AmerisourceBergen Drug Corporation	27%	23%	27%	25%
McKesson Corporation	26%	26%	27%	22%

Customers which represented greater than 10% of our accounts receivable balances as of June 30, 2018 and December 31, 2017 were as follows:

	June 30, 2018	December 31, 2017
McKesson Corporation	27%	26%
AmerisourceBergen Drug Corporation	29%	31%