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Note 4 - Balance Sheet Components (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

 

December 31,

  

2025

 

2024

Raw materials

 $79,438  $91,851 

Work in process

  198,649   169,982 

Finished goods

  212,555   157,778 

Total

 $490,642  $419,611 
Schedule of Other Current Assets [Table Text Block]
  

June 30,

 

December 31,

  

2025

 

2024

Prepaid wafer expenses (1)

 $60,000  $- 

Prepaid expenses

  16,915   36,083 

Other receivables (1)

  -   60,000 

Other

  10,302   13,895 

Total

 $87,217  $109,978 
Schedule of Other Assets, Noncurrent [Table Text Block]
  

June 30,

 

December 31,

  

2025

 

2024

Deferred compensation plan assets

 $97,831  $92,586 

Operating lease right-of-use (“ROU”) and related assets (1)

  37,705   34,198 

Prepaid wafer purchases (2)

  -   60,000 

Other

  8,743   7,593 

Total

 $144,279  $194,377 
Schedule of Accrued Liabilities [Table Text Block]
  

June 30,

 

December 31,

  

2025

 

2024

Dividends and dividend equivalents

 $79,387  $60,622 

Income tax payable

  36,739   10,534 

Stock rotation and sales returns

  20,929   20,799 

Other

  35,238   36,168 

Total

 $172,293  $128,123 
Other Noncurrent Liabilities [Table Text Block]
  

June 30,

 

December 31,

  

2025

 

2024

Deferred compensation plan liabilities

 $94,606  $93,653 

Operating lease liabilities

  15,938   12,974 

Dividend equivalents

  2,905   4,943 

Total

 $113,449  $111,570