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Segment Reporting and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
Revenues by Geographic Region

Revenues by geographic region are as follows:

 

 

 

Years ended December 31,

 

 

 

2019

 

 

2020

 

United States

 

 

97

%

 

 

98

%

Canada

 

 

3

%

 

 

2

%

Other countries

 

*

 

 

*

 

 

 

 

100

%

 

 

100

%

 

*

Less than 1% of revenue