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Note 15 - Segment and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
  

Year Ended December 31,

 

Country or Region

 

2022

  

2021

  

2020

 

China

 $938,946  $700,985  $516,519 

Taiwan

  233,040   169,130   109,256 

Europe

  145,584   85,201   56,329 

South Korea

  189,478   93,027   64,093 

Southeast Asia

  95,739   54,611   42,403 

Japan

  91,048   68,720   35,461 

United States

  99,804   35,770   20,098 

Other

  509   354   293 

Total

 $1,794,148  $1,207,798  $844,452 
Revenue from External Customers by Products and Services [Table Text Block]
  

Year Ended December 31,

 

Product Family

 

2022

  

2021

  

2020

 

DC to DC

 $1,696,594  $1,147,329  $800,478 

Lighting Control

  97,554   60,469   43,974 

Total

 $1,794,148  $1,207,798  $844,452 
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
  

December 31,

 

Country

 

2022

  

2021

  

2020

 

China

 $200,508  $211,973  $151,752 

United States

  113,996   113,805   101,768 

Taiwan

  20,074   19,607   18,797 

Other

  22,579   17,577   9,211 

Total

 $357,157  $362,962  $281,528