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REVENUES (Tables)
9 Months Ended
Sep. 30, 2021
Revenue from Contract with Customer [Abstract]  
The following table presents our revenues disaggregated by revenue discipline:

The following table presents our revenues disaggregated by revenue discipline:

 

   Three Months Ended   Nine Months Ended 
   September 30,   September 30, 
   2021   2020   2021   2020 
Products  $3,690   $1,918   $9,359   $8,261 
Services   1,995    2,133    5,454    5,877 
Total revenue  $5,685   $4,051   $14,813   $14,138