Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock-Based Compensation Expense for Stock Options Granted to Employees and Non-Employees (Detail)

v3.21.2
Stock-Based Compensation - Summary of Stock-Based Compensation Expense for Stock Options Granted to Employees and Non-Employees (Detail) - USD ($)
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 913,607 $ 279,517
Research and Development    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 480,415 130,041
Selling, General and Administrative    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 433,192 $ 149,476