Note 7 - Segment and Geographic Information - Revenue By Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue	$ 441,128	$ 461,004	$ 892,193	$ 838,718
CHINA
Revenue	216,172	249,778	441,224	455,858
TAIWAN
Revenue	70,212	69,668	119,045	126,105
KOREA, REPUBLIC OF
Revenue	40,669	43,046	86,349	83,418
Europe [Member]
Revenue	36,348	31,179	79,451	56,394
UNITED STATES
Revenue	27,571	23,973	58,588	37,419
JAPAN
Revenue	28,288	22,136	59,103	41,291
South East Asia [Member]
Revenue	21,708	21,114	48,140	38,002
Other Region [Member]
Revenue	$ 160	$ 110	$ 293	$ 231