Segment, Customer and Geographic Information (Tables)

12 Months Ended

Dec. 31, 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 years ended December 31, 2019, 2018 and 2017 (in percentages):

	Year Ended December 31,
	2019	2018	2017
Établissement Français du Sang	27%	38%	22%
American Red Cross	14%	*	*

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

Net Revenues and Long-Lived Assets by Geographical Location

Revenues by geographical location were based on the location of the customer during the years ended December 31, 2019, 2018 and 2017, and was as follows (in thousands):

	Year Ended December 31,
	2019		2018		2017
Product revenue:
United States	$	20,611	$	12,563	$	6,316
France		20,075		23,043		9,692
Belgium		7,272		6,788		6,263
Other countries		26,691		18,514		21,297
Total product revenue		74,649		60,908		43,568
Government contract revenue:
United States		19,125		15,143		7,758
Total government contract revenue		19,125		15,143		7,758
Total revenue	$	93,774	$	76,051	$	51,326

Long-lived assets by geographical location at December 31, 2019 and 2018, were as follows (in thousands):

	December 31,
	2019		2018
U.S. and territories	$	14,619	$	8,252
Europe & other		411		212
Total long-lived assets	$	15,030	$	8,464