XML 68 R57.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Schedule of Assumptions Used in Black-Scholes Option-Pricing Model for Estimating Fair Value of Stock Options Granted (Details)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk free interest rate, minimum 1.56% 0.64%
Risk free interest rate, maximum 2.41% 1.11%
Expected volatility 70.00% 70.00%
Expected term (years) 6 years 3 months  
Expected dividend 0.00% 0.00%
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (years)   5 years 6 months
Maximum [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (years)   6 years 3 months