Customer, Supplier and Product Concentration (Tables)

6 Months Ended

Jun. 30, 2019

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, 2019 and December 31, 2018:



Big 3 Wholesalers combined:	June 30, 2019	December 31, 2018
Percentage of gross trade accounts receivable	84%	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, 2019 and 2018:



	Three Months Ended June 30,		Six Months Ended June 30,
Big 3 Wholesalers combined:	2019	2018	2019	2018
Percentage of gross sales	84%	83%	84%	83%

The following table sets forth the Company’s net revenues disaggregated by major customers for the three and six month periods ended June 30, 2019 and 2018 (dollar amounts in thousands):



	Three Months Ended June 30, 2019			Three Months Ended June 30, 2018			Six Months Ended June 30, 2019			Six Months Ended June 30, 2018
Disaggregation of net revenues by major customers	Net Revenue		Net Revenue %	Net Revenue		Net Revenue %	Amount		% of Total Revenues	Amount		% of Total Revenues
Amerisource	$	40,275	22.6%	$	39,256	20.6%	$	70,371	20.5%	$	77,211	20.6%
Cardinal	28,337		15.9%	29,861		15.6%	58,098		16.9%	57,051		15.2%
McKesson	40,743		22.9%	43,128		22.6%	78,495		22.8%	96,349		25.7%
Big 3 Wholesalers combined	109,355		61.4%	112,245		58.8%	206,964		60.2%	230,611		61.5%
All Others	68,702		38.6%	78,699		41.2%	136,964		39.8%	144,396		38.5%
Total Revenues	178,057		100.0%	190,944		100.0%	343,928		100.0%	375,007		100.0%