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Note 6 - Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

December 31,

  

December 31,

 
  

2024

  

2023

 

Accounts payable

 $1,300,966  $2,444,653 

Accrued payroll liabilities

  746,938   1,223,712 

Product warranty accrual

  621,031   629,100 

Other accrued expenses

  1,123,510   1,697,730 

Total accounts payable and accrued expenses

 $3,792,445  $5,995,195