Customer, Supplier and Product Concentration (Tables)

6 Months Ended

Jun. 30, 2018

Schedules of Concentration of Risk, by Risk Factor

The following table sets forth the percentage of the Company's gross accounts receivable attributable to the Big 3 Wholesalers as of June 30, 2018 and December 31, 2017:



Big 3 Wholesalers combined:	June 30, 2018	December 31, 2017
Percentage of gross trade accounts receivable	87%	86%

The following table sets forth the percentage of the Company’s gross sales attributable to the Big 3 Wholesalers for the three and six month periods ended June 30, 2018 and 2017:



	Three Months Ended June 30,		Six Months Ended June 30,
Big 3 Wholesalers combined:	2018	2017	2018	2017
Percentage of gross sales	83%	81%	83%	80%

The following table sets forth the Company’s net revenues disaggregated by major customers for the three and six month periods ended June 30, 2018 and 2017 (dollar amounts in thousands):



	Three Months Ended June 30, 2018			Three Months Ended June 30, 2017			Six Months Ended June 30, 2018			Six Months Ended June 30, 2017
Disaggregation of net revenues by major customers	Amount		% of Total Revenues	Amount		% of Total Revenues	Amount		% of Total Revenues	Amount		% of Total Revenues
Amerisource	$	39,256	20.6%	$	39,654	19.9%	$	77,211	20.6%	$	83,591	18.5%
Cardinal	29,861		15.6%	33,260		16.7%	57,051		15.2%	82,228		18.2%
McKesson	43,128		22.6%	50,749		25.5%	96,349		25.7%	120,460		26.6%
Big 3 Wholesalers combined	112,245		58.8%	123,663		62.1%	230,611		61.5%	286,279		63.3%
All Others	78,699		41.2%	75,477		37.9%	144,396		38.5%	166,281		36.7%
Total Revenues	190,944		100.0%	199,140		100.0%	375,007		100.0%	452,560		100.0%