Quarterly report [Sections 13 or 15(d)]

Note 3 - Summary of Significant Accounting Policies (Tables)

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Note 3 - Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
   

June 30, 2025

   

December 31, 2024

 
                 

Balance, beginning of period

  $ 61,923     $ 66,526  

Provision for credit losses

    18,416       13,986  

Write-offs

    -       (18,589 )

Balance, end of period

  $ 80,339     $ 61,923  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

As of June 30,

 
   

2025

   

2024

 
                 

Stock options

    1,500       3,000  

Unvested restricted stock

    78,409       25,187  

Total dilutive securities

    79,909       28,187