Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Valuation Assumptions Using a Black-Scholes Pricing Model (Detail)

v3.21.2
Stockholders' Equity - Schedule of Valuation Assumptions Using a Black-Scholes Pricing Model (Detail) - Stock options [Member]
3 Months Ended
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Volatility rate 93.90%
Risk free rate 1.55%
Expected term 5 years 3 months 18 days