Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Recognized Revenue Net of Payments

The reconciliation of gross revenue to net revenue for these certain payments is shown below (in thousands):

	Year Ended December 31,
	2021		2020
Gross revenue from sales to customers	$	31,385	$	28,356
Less: Clinical trial payments reducing revenue		1,123		2,717
Total net revenue	$	30,262	$	25,639

Schedule of Net Revenue by OCS Product and Country

The Company disaggregates revenue from contracts with customers by product type and geographical area as it believes this presentation best depicts how the nature, amount, timing and uncertainty of the Company’s revenue and cash flows are affected by economic factors, as shown below (in thousands):

	Year Ended December 31,
	2021		2020
Net revenue by OCS product:
OCS Lung net revenue	$	10,665	$	6,194
OCS Heart net revenue		17,683		14,196
OCS Liver net revenue		1,914		5,249
Total net revenue	$	30,262	$	25,639

	Year Ended December 31,
	2021		2020
Net revenue by country (1):
United States	$	21,861	$	19,239
All other countries		8,401		6,400
Total net revenue	$	30,262	$	25,639

(1) Net revenue by country is categorized based on the location of the end customer.