Note 7 - Segment, Significant Customers and Geographic Information - Long Lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Long lived assets by region	$ 527,348	$ 494,945
CHINA
Long lived assets by region	265,590	237,649
UNITED STATES
Long lived assets by region	171,133	171,514
TAIWAN
Long lived assets by region	43,999	42,388
Other Region [Member]
Long lived assets by region	$ 46,626	$ 43,394