Note 16 - Segment and Geographic Information - Schedule of Revenue by Type (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Total revenue	$ 26,406	$ 22,597
Leases [Member]
Total revenue	10,423	8,537
System [Member]
Total revenue	11,875	9,810
Product [Member]
Total revenue	3,497	3,055
Service [Member]
Total revenue	$ 611	$ 1,195