v3.26.1
Note A - The Company and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

December 31,

 
  

2025

  

2024

 
         

Accounts receivable

 $1,604,075  $1,351,482 

Allowance for Credit Losses

  (383,253)  (633,253)

Accounts receivable, net of allowances for Credit Losses

 $1,220,822  $718,229 
  

Balance at Beginning of Year

  

Charged to Costs and Expenses

  

Deductions from Reserves

  

Balance at End of Year

 
                 

Year ended December 31, 2025 Allowance for Credit Losses

 $633,253  $-  $(250,000) $383,253 

Year ended December 31, 2024 Allowance for Credit Losses

 $1,005,785  $16,265  $(388,797) $633,253 
Useful Lives of Property Plan and Equipment [Table Text Block]
  

Years

 

Equipment and leasehold improvements

   

Equipment

 3 - 5 

Furniture and fixtures

 3 - 5 

Software

 3 

Leasehold improvements

 

life or lease term

 
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Year ended

 
  

December 31,

 
  

2025

  

2024

 
         

Selling, general and administrative

 $139,131  $201,100 

Research, development and engineering

  27,444   42,150 
  $166,575  $243,250