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Revenue (Tables)
12 Months Ended
Dec. 31, 2021
Revenue [Abstract]  
Schedule of revenue disaggregated by geography

 

Year Ended December 31,

   

2021

 

2020

United States

 

$

11,313

 

$

4,281

Greater China

 

 

25,973

 

 

14,297

Latin America

 

 

5,192

 

 

1,530

Rest of Asia Pacific

 

 

1,006

 

 

1,478

Europe

 

 

4,928

 

 

1,024

Total

 

$

48,412

 

$

22,610

Schedule of liabilities associated with the engineering services contracts
 

December 31,

   

2021

 

2020

Deferred revenue

 

$

1,840

 

$

1,665

Schedule of identified below, some of our customers

 

December 31,

   

2021

 

2020

Customer A

 

39.0

%

 

57.0

%

Customer B

 

4.6

%

 

12.9

%