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Note 13 - Concentrations (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

Accounts Receivable

 

2023

   

2022

 

Customer 1

          27 %

Customer 2

          29 %

Customer 3

    25 %     3 %

Customer 4

          15 %
                 

Revenues

 

2023

   

2022

 

Customer 1

    30 %     33 %

Customer 2

    1 %     14 %