Segment, Customer and Geographic Information (Tables)

9 Months Ended

Sep. 30, 2016

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, each of which operates in a country outside of the U.S., during the three and nine months ended September 30, 2016 and 2015 (in percentages):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2016			2015			2016			2015
Advanced Technology Comp. KSC		19	%	*				12	%	*
Etablissement Francais du Sang		16	%		27	%		10	%		26	%

* Represents an amount less than 10% of product revenue.