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Note 11 - Significant Customers / Concentration / Disaggregated Revenue (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
   

For the Three Months

   

For the Six Months

 
   

Ended June 30,

   

Ended June 30,

 
   

2022

   

2021

   

2022

   

2021

 

Customer A

    22

%

    12

%

    17

%

    11

%

Customer B

    26

%

    -       15

%

    -  
   

June 30,

2022

   

December 31,

2021

 

Customer A

    16

%

    -  

Customer B

    12

%

    -  

Customer C

    -       16

%

Customer D

    -       11

%