Warrants to Purchase Common Stock - Measurement Inputs (Details)	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020
Dividend yield
Class of Warrant or Right [Line Items]
Measurement input (percent)	0.0000		0.0000
Expected volatility
Class of Warrant or Right [Line Items]
Measurement input (percent)	0.4993		0.4993
Risk-free interest rate
Class of Warrant or Right [Line Items]
Measurement input (percent)	0.0031		0.0017
September 2020 Common Stock Warrants
Class of Warrant or Right [Line Items]
Warrant term (in years)				5 years
September 2020 Common Stock Warrants | Dividend yield
Class of Warrant or Right [Line Items]
Measurement input (percent)				0.000
September 2020 Common Stock Warrants | Expected volatility
Class of Warrant or Right [Line Items]
Measurement input (percent)				0.500
September 2020 Common Stock Warrants | Risk-free interest rate
Class of Warrant or Right [Line Items]
Measurement input (percent)				0.003
March 2021 Common Stock Warrants
Class of Warrant or Right [Line Items]
Warrant term (in years)		4 years
March 2021 Common Stock Warrants | Dividend yield
Class of Warrant or Right [Line Items]
Measurement input (percent)		0.000
March 2021 Common Stock Warrants | Expected volatility
Class of Warrant or Right [Line Items]
Measurement input (percent)		0.500
March 2021 Common Stock Warrants | Risk-free interest rate
Class of Warrant or Right [Line Items]
Measurement input (percent)		0.006