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Revenue
3 Months Ended
Mar. 31, 2020
Revenue [Abstract]  
Revenue NOTE 8. REVENUE

A summary of our revenue by geographic location for the three months ended March 31, 2020 and 2019 is as follows (in thousands):

Three Months Ended March 31,

2020

2019

North America

$

7,761

$

8,988

Europe (including the Middle East and Africa)

3,395

  

3,064

Asia Pacific

4,442

  

4,373

Total

$

15,598

  

$

16,425

A summary of our revenue by category for the three months ended March 31, 2020 and 2019 is as follows (in thousands):

Three Months Ended March 31,

2020

2019

Instrument revenue

$

4,024

$

5,623

Consumable revenue

8,269

  

7,834

Product revenue

12,293

13,457

Service and other revenue

3,305

2,968

Total revenue

$

15,598

$

16,425