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REVENUE RECOGNITION (Tables)
 12 Months Ended
Dec. 31, 2022
Revenue from Contract with Customer [Abstract]  
Disaggregated revenue
The following table presents the disaggregation of our revenue for the years ended December 31, 2022, and 2021 (in thousands):
Years Ended
December 31,
20222021
Fixed fee license revenue$11,953 $5,843 
Per-unit royalty revenue26,225 28,846 
Total royalty and license revenue38,178 34,689 
Development, services, and other revenue283 400 
Total revenues$38,461 $35,089