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Note 7 - Segment, Significant Customers and Geographic Information (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

Three Months Ended March 31,

Customer

 

2025

 

2024

Distributor A

  24%  41%

Distributor B

  19%  13%

Distributor C

  11%  * 
  

March 31,

 

December 31,

Customer

 

2025

 

2024

Distributor A

  32%  28%

Distributor B

  21%  29%

Distributor C

  11%  * 
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
  

Three Months Ended March 31,

Country or Region

 

2025

 

2024

China

 $363,720  $263,040 

Taiwan

  116,341   100,450 

South Korea

  64,364   35,537 

Southeast Asia

  32,706   13,239 

Europe

  24,992   17,742 

Japan

  20,101   12,948 

U.S.

  15,249   14,820 

Others

  81   109 

Total

 $637,554  $457,885 
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
  

March 31,

 

December 31,

Country

 

2025

 

2024

China

 $265,590  $237,649 

U.S.

  171,133   171,514 

Taiwan

  43,999   42,388 

Others

  46,626   43,394 

Total

 $527,348  $494,945