Customer, Supplier and Product Concentration (Tables)

9 Months Ended

Sep. 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 September 30, 2018 and December 31, 2017:



Big 3 Wholesalers combined:	September 30, 2018	December 31, 2017
Percentage of gross trade accounts receivable	85%	86%

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



	Three Months Ended September 30,		Nine Months Ended September 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 nine month periods ended September 30, 2018 and 2017 (dollar amounts in thousands):



	Three Months Ended September 30, 2018			Three Months Ended September 30, 2017			Nine Months Ended September 30, 2018			Nine Months Ended September 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	$	36,613	22.1%	$	38,419	19.0%	$	113,824	21.1%	$	122,010	18.6%
Cardinal	26,835		16.2%	36,110		17.8%	83,886		15.5%	118,337		18.1%
McKesson	40,274		24.3%	58,431		28.9%	136,623		25.3%	178,892		27.3%
Big 3 Wholesalers combined	103,722		62.6%	132,960		65.7%	334,333		61.8%	419,239		64.0%
All Others	61,903		37.4%	69,468		34.3%	206,299		38.2%	235,749		36.0%
Total Revenues	165,625		100.0%	202,428		100.0%	540,632		100.0%	654,988		100.0%