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REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of Revenue [Line Items]        
Total revenue $ 12,598 $ 8,959 $ 39,175 $ 26,430
Licensing, support and maintenance        
Disaggregation of Revenue [Line Items]        
Total revenue 11,135 8,136 35,743 24,353
Variable royalties        
Disaggregation of Revenue [Line Items]        
Total revenue 695 739 2,266 1,913
Other        
Disaggregation of Revenue [Line Items]        
Total revenue $ 768 $ 84 $ 1,166 $ 164