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STOCK-BASED COMPENSATION - Stock-Based Compensation Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Stock-based compensation      
Total stock-based compensation expense $ 7,347 $ 2,017 $ 1,698
Unrecognized compensation cost 8,714    
ESPP      
Stock-based compensation      
Total stock-based compensation expense 43 47 34
Stock options      
Stock-based compensation      
Total stock-based compensation expense 3,057 490 242
Unrecognized compensation cost $ 3,550    
Weighted-Average Amortization Period (Years) 2 years 10 months 24 days    
RSUs      
Stock-based compensation      
Total stock-based compensation expense $ 4,053 1,280 1,149
Unrecognized compensation cost $ 4,776    
Weighted-Average Amortization Period (Years) 2 years 2 months 12 days    
RSAs      
Stock-based compensation      
Total stock-based compensation expense $ 194 200 273
Unrecognized compensation cost $ 388    
Weighted-Average Amortization Period (Years) 2 years 7 months 6 days    
Selling, general and administrative      
Stock-based compensation      
Total stock-based compensation expense $ 5,305 2,017 1,698
Research and development      
Stock-based compensation      
Total stock-based compensation expense $ 2,042 $ 0 $ 0