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CONCENTRATIONS (Tables)
 12 Months Ended
Dec. 31, 2020
Summary of revenues from sales

In Thousands of US Dollars

Description

 

2020

 

 

2019

 

 

2018

 

Customer A

 

$

-

 

 

$

23

 

 

$

34

 

Customer B

 

$

2

 

 

$

-

 

 

$

-

 

Customer C

 

$

-

 

 

$

36

 

 

$

126