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Note 19 - Concentration of Risk (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

Customer

A

  

Customer

B

  

Customer

C

  

Customer

D

  

Customer

E

  

Customer

F

 

Year Ended December 31, 2021

                        

Revenues, customer concentration risk

  *   *   *   *   -   - 
                         

Year Ended December 31, 2020

                        

Revenues, customer concentration risk

  *   *   *   -   *   * 
                         

As of December 31, 2021

                        

Accounts receivable, customer concentration risk

  33%

 

  32%   19%   11%

 

  -   - 
                         

As of December 31, 2020

                        

Accounts receivable, customer concentration risk

  *   28%

 

  -   -   27%   21% 
  

Supplier A

  Supplier B 

Year Ended December 31, 2021

        

Cost of revenues, supplier concentration risk

  73%   * 
         

Year Ended December 31, 2020

        

Cost of revenues, supplier concentration risk

  -   78%