Note 7 - Segment, Significant Customers and Geographic Information - Revenue By Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue	$ 377,714	$ 254,455
CHINA
Revenue	206,079	153,383
TAIWAN
Revenue	56,437	30,445
Europe [Member]
Revenue	25,215	20,380
KOREA, REPUBLIC OF
Revenue	40,373	19,287
South East Asia [Member]
Revenue	16,889	11,497
JAPAN
Revenue	19,155	12,049
UNITED STATES
Revenue	13,446	7,302
Other Region [Member]
Revenue	$ 120	$ 112