Note 16 - Segment Information - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue	$ 55,701	$ 45,344	$ 105,992	$ 84,144
UNITED STATES
Revenue	24,523	20,556	46,232	38,189
GERMANY
Revenue	7,947	5,553	13,918	10,279
EMEA [Member]
Revenue	17,570	13,753	32,912	24,944
JAPAN
Revenue	4,465	4,932	10,360	9,687
Asia Pacific [Member]
Revenue	13,608	11,035	26,848	21,011
Other Countries [Member]
Revenue	$ 18,766	$ 14,303	$ 35,482	$ 25,989