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Stockholders' Equity - Weighted Average Assumptions of Fair Value Options Using Black-Scholes Option-Pricing Model (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Option-Pricing Model Weighted Average Assumptions        
Dividend yield (percent) 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate, minimum (percent) 2.82% 0.72% 1.62% 0.46%
Risk-free interest rate, maximum (percent) 3.05% 1.02% 3.38% 1.02%
Expected life (in years) 5 years 5 years 5 years 5 years
Historical volatility, minimum (percent) 59.74% 53.51% 53.87% 53.51%
Historical volatility, maximum (percent) 61.22% 53.67% 61.22% 54.55%