Note 16 - Segment and Geographic Information - Revenue By Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue	$ 1,207,798	$ 844,452	$ 627,921
CHINA
Revenue	700,985	516,519	382,740
TAIWAN, PROVINCE OF CHINA
Revenue	169,130	109,256	73,801
Europe [Member]
Revenue	85,201	56,329	49,467
KOREA, REPUBLIC OF
Revenue	93,027	64,093	43,900
South East Asia [Member]
Revenue	54,611	42,403	32,031
JAPAN
Revenue	68,720	35,461	27,812
UNITED STATES
Revenue	35,770	20,098	17,836
Other Region [Member]
Revenue	$ 354	$ 293	$ 334