XML 47 R38.htm IDEA: XBRL DOCUMENT v3.23.1
Stock-Based Compensation - Weighted-average Assumptions (Details) - Options to purchase common stock - $ / shares
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected stock price volatility 59.30% 62.30%
Risk free interest rate 3.90% 1.50%
Expected life of options (years) 5 years 6 months 5 years 3 months 18 days
Expected annual dividend per share (in dollars per share) $ 0 $ 0