Customer, Supplier and Product Concentration (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2018 and December 31, 2017:



Big 3 Wholesalers combined:	March 31, 2018	December 31, 2017
Percentage of gross trade accounts receivable	88%	86%

The following table sets forth the percentage of the Company’s gross sales attributable to the Big 3 Wholesalers for the three month periods ended March 31, 2018 and 2017:



	Three Months Ended March 31,
Big 3 Wholesalers combined:	2018	2017
Percentage of gross sales	83%	79%

The following table sets forth the Company’s net revenues disaggregated by major customers for the three month periods ended March 31, 2018 and 2017 (dollar amounts in thousands):



	Three Months Ended March 31, 2018			Three Months Ended March 31, 2017
Disaggregation of net revenues by major customers	Amount		% of Total Revenues	Amount		% of Total Revenues
Amerisource	$	37,955	20.6%	$	43,937	17.3%
Cardinal	27,189		14.8%	48,968		19.3%
McKesson	53,221		28.9%	69,711		27.5%
Big 3 Wholesalers combined	118,365		64.3%	162,616		64.2%
All Others	65,698		35.7%	90,804		35.8%
Total Revenues	184,063		100.0%	253,420		100.0%