XML 63 R53.htm IDEA: XBRL DOCUMENT v3.23.2
Stock Based Compensation - Summary of Weighted Average Assumptions Used in Valuing Plans (Details) - $ / shares
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Stock Based Compensation    
Fair value at grant date $ 3.46 $ 7.95
Expected volatility 114.00% 84.00%
Risk-free interest rate 3.90% 1.70%
Expected holding period, in years 6 years 6 years
Dividend yield