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Revenue (Tables)
6 Months Ended
Jun. 30, 2020
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
The following table provides information about disaggregated revenue based on the preceding categories for the three and six months ended June 30, 2020 and 2019:
Three Months EndedSix Months Ended
June 30,June 30,
2020201920202019
IC sales$8,840  $17,588  $21,958  $32,662  
Engineering services, license and other413  439  1,069  2,013  
Total revenues$9,253  $18,027  $23,027  $34,675