Segment, Customer and Geographic Information (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Customer that Accounted for More Than Ten Percent of Total Product Revenue

The Company had the following significant customers that accounted for more than 10% of the Company’s total product revenue, during the three and six months ended June 30, 2019 and 2018:

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2019	2018	2019	2018
Établissement Français du Sang	27%	39%	28%	40%
American Red Cross	15%	10%	14%	*
*   Represents an amount less than 10% of product revenue.