Revenues (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue [Table Text Block]

		September 30, 2021		September 30, 2020
Research and development agreements	$	489	$	446
Product revenue		232		-
Sales milestone revenue		320		-
Licensing agreements		-		308
	$	1,041	$	754

Schedule of Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

		September 30, 2021		September 30, 2020
(in U.S. $thousands)
Product and services transferred at point in time	$	552	$	509
Products and services transferred over time		489		245
	$	1,041	$	754

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

		September 30, 2021		September 30, 2020
Europe	$	816	$	714
Canada		225		-
United States		-		40
	$	1,041	$	754