Note 12 - Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cost of revenues	$ (6,825)	$ (3,693)	$ (13,229)	$ (6,074)
Research and development	(19,538)	(17,457)	(39,748)	(35,050)
Sales and marketing	(2,723)	(2,893)	(5,646)	(6,195)
General and administrative	(3,635)	(4,159)	(7,271)	(7,039)
Total, before income taxe	(548)	1,944	(929)	650
Income tax expense	575	1,629	1,890	3,965
Net loss	(1,123)	315	(2,819)	(3,315)
Financial income (loss), net	413	356	695	392
Income tax expense (benefit)	575	1,629	1,890	3,965
Reclassification out of Accumulated Other Comprehensive Income [Member]
Net loss	(568)	66	(665)	47
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains (Losses) on Cash Flow Hedges [Member]
Cost of revenues	(11)	1	(13)	1
Research and development	(551)	51	(647)	32
Sales and marketing	(15)	2	(18)	1
General and administrative	(55)	4	(64)	2
Total, before income taxe	(632)	58	(742)	36
Income tax expense	(81)	7	(94)	4
Net loss	(551)	51	(648)	32
Income tax expense (benefit)	(81)	7	(94)	4
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains (Losses) on Available-for-sale Marketable Securities [Member]
Income tax expense	(4)	0	(4)	0
Net loss	(17)	15	(17)	15
Financial income (loss), net	(21)	15	(21)	15
Income tax expense (benefit)	$ (4)	$ 0	$ (4)	$ 0