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Note 5 - Concentrations (Tables)
12 Months Ended
Dec. 31, 2022
Accounts Receivable [Member]  
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

For the years ended

 
   

December 31,

 
   

2022

   

2021

 

Customer A

    15 %    

27

%

Customer B

    11 %    

-

 
Inventory Purchases [Member]  
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

For the years ended

 
   

December 31,

 
   

2022

   

2021

 

Vendor A

    40

%

    42

%

Vendor B

    36 %     31

%