Note 7 - Segment, Significant Customers and Geographic Information - Revenue By Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue	$ 461,004	$ 293,317	$ 838,718	$ 547,772
CHINA
Revenue	249,778	170,893	455,858	324,276
TAIWAN
Revenue	69,668	48,262	126,105	78,708
Europe [Member]
Revenue	31,179	20,790	56,394	41,170
KOREA, REPUBLIC OF
Revenue	43,046	18,992	83,418	38,279
South East Asia [Member]
Revenue	21,114	12,188	38,002	23,686
JAPAN
Revenue	22,136	14,552	41,291	26,602
UNITED STATES
Revenue	23,973	7,542	37,419	14,844
Other Region [Member]
Revenue	$ 110	$ 98	$ 231	$ 207