Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2022

Class of Stock [Line Items]

Summary of Shares of Class A Common Stock Sold Under the ATM Agreement

The following table presents information with respect to shares of Class A common stock sold under the 2020 ATM Agreement during the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Shares of Class A common stock sold		-		113,412		1,627,991		714,586
Total net proceeds	$	-	$	2,893	$	21,282	$	13,562
Commission paid	$	-	$	89	$	658	$	419

Summary of Assumptions Used to Calculate the Fair Value of Warrants

The following assumptions were used to calculate the fair value for the Private Placement Warrants and Series A Warrants:

	Private Placement Warrants	Series A Warrants
As of June 30, 2022
Expected remaining life	1.4 years	3.4 years
Volatility rate	255.8%	255.8%
Risk-free interest rate	2.8%	3.0%
Expected dividend rate	0%	0%
As of December 31, 2021
Expected remaining life	1.9 years	3.9 years
Volatility rate	227.5%	227.5%
Risk-free interest rate	0.7%	1.1%
Expected dividend rate	0%	0%

RDO Investor Warrants And Placement Agent Warrants [Member]

Class of Stock [Line Items]

Summary of Assumptions Used to Calculate the Fair Value of Warrants

The following assumptions were used to calculate the fair value for the RDO Investor Warrants and Placement Agent Warrants at issuance:

	RDO Investor Warrants		Placement Agent Warrants
Exercise price	$	10.578	$	13.2228
Contractual term	3.5 years		3.5 years
Volatility rate	80.0%		80.0%
Risk-free interest rate	1.9%		1.9%
Expected dividend rate	0%		0%