Warrants and Derivative Liabilities - Summary of Fair Value Measurements Inputs (Detail)	Dec. 31, 2020 yr $ / shares
Stock Price [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and derivative liabilities	7.56
Exercise Price [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and derivative liabilities	0.01
Risk-free Interest Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and derivative liabilities	0.09
Expected Volatility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and derivative liabilities	64.0
Time To Maturity (in years) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and derivative liabilities | yr	0.63