Note 16 - Segment and Geographic Information

12 Months Ended

Dec. 31, 2020

Notes to Financial Statements

Segment Reporting Disclosure [Text Block]

16.  SEGMENT AND GEOGRAPHIC INFORMATION 

The Company operates in one reportable segment that includes the design, development, marketing and sale of high-performance analog solutions for the computing and storage, automotive, industrial, communications and consumer markets. The Company’s chief operating decision maker is its Chief Executive Officer, who reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance. The Company derives a majority of its revenue from sales to customers located outside North America, with geographic revenue based on the customers’ ship-to locations.  

The following is a summary of revenue by geographic regions (in thousands):

	Year Ended December 31,
Country or Region	2020		2019		2018
China	$	516,519	$	382,740	$	334,726
Taiwan		109,256		73,801		75,307
Europe		56,329		49,467		49,484
South Korea		64,093		43,900		41,238
Southeast Asia		42,403		32,031		36,495
Japan		35,461		27,812		26,853
United States		20,098		17,836		17,621
Other		293		334		658
Total	$	844,452	$	627,921	$	582,382

The following is a summary of revenue by major product families (in thousands):

	Year Ended December 31,
Product Family	2020		2019		2018
DC to DC	$	800,478	$	589,651	$	537,512
Lighting Control		43,974		38,270		44,870
Total	$	844,452	$	627,921	$	582,382

The following is a summary of long-lived assets by geographic regions (in thousands): 

	December 31,
Country	2020		2019		2018
China	$	151,752	$	113,888	$	93,096
United States		101,768		94,671		39,054
Taiwan		18,797		17,652		16,972
Other		9,211		2,104		879
Total	$	281,528	$	228,315	$	150,001