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Revenue (Tables)
12 Months Ended
Dec. 31, 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 years ended December 31, 2020 and 2019:
Year ended December 31,
20202019
IC sales$39,205 $66,250 
Engineering services, license and other1,650 2,505 
Total revenues$40,855 $68,755