Note 12 - Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cost of revenues	$ (6,404)	$ (2,381)
Research and development	(20,210)	(17,593)
Sales and marketing	(2,923)	(3,302)
General and administrative	(3,636)	(2,880)
Total, before income taxe	(381)	(1,294)
Income tax expense	1,315	2,336
Net loss	(1,696)	(3,630)
Financial income (loss), net	282	36
Income tax expense (benefit)	1,315	2,336
Reclassification out of Accumulated Other Comprehensive Income [Member]
Net loss	(97)	(19)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains (Losses) on Cash Flow Hedges [Member]
Cost of revenues	(2)	0
Research and development	(96)	(19)
Sales and marketing	(3)	(1)
General and administrative	(9)	(2)
Total, before income taxe	(110)	(22)
Income tax expense	(13)	(3)
Net loss	(97)	(19)
Income tax expense (benefit)	(13)	(3)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains (Losses) on Available-for-sale Marketable Securities [Member]
Income tax expense	0	0
Net loss	0	0
Financial income (loss), net	0	0
Income tax expense (benefit)	$ 0	$ 0