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Note 7 - Segment, Significant Customers and Geographic Information (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

Three Months Ended September 30,

 

Nine Months Ended September 30,

Customer

 

2025

 

2024

 

2025

 

2024

Distributor A

    26 %     24 %     25 %     33 %

Distributor B

    18 %     25 %     18 %     19 %

Distributor C

    *       *       10 %     *  
  

September 30,

 

December 31,

Customer

 

2025

 

2024

Distributor A

  31%  28%

Distributor B

  17%  29%
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
   

Three Months Ended September 30,

 

Nine Months Ended September 30,

Country or Region

 

2025

 

2024

 

2025

 

2024

China

  $ 393,837     $ 310,472     $ 1,155,508     $ 856,026  

Taiwan

    155,978       179,747       377,289       407,593  

South Korea

    62,882       51,815       190,747       126,865  

Southeast Asia

    39,023       22,772       106,596       47,363  

Europe

    33,577       25,145       85,066       61,992  

U.S.

    29,937       13,797       63,313       42,544  

Japan

    21,779       16,286       60,416       42,786  

Other

    163       85       369       266  

Total

  $ 737,176     $ 620,119     $ 2,039,304     $ 1,585,435  
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
   

September 30,

 

December 31,

Country

 

2025

 

2024

China

  $ 308,174     $ 237,649  

U.S.

    170,934       171,514  

Taiwan

    58,764       42,388  

Other

    59,439       43,394  

Total

  $ 597,311     $ 494,945