XML 51 R41.htm IDEA: XBRL DOCUMENT v3.23.3
Stockholders' Equity - Weighted-Average assumptions (Details) - $ / shares
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Weighted-average assumptions    
Expected term 6 years 3 months 6 years 3 months
Expected volatility 78.12% 84.66%
Risk-free interest rate 3.57% 1.90%
Expected dividend yield 0.00% 0.00%
2013 Equity Incentive and Inducement Plan    
Share-based Compensation Arrangement by Share-based Payment Award    
Weighted-average fair value of the options granted $ 1.97 $ 0.76