Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2021	Dec. 31, 2020	Oct. 20, 2020	Oct. 19, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants, exercise price				$ 0.01	$ 0.01	$ 2.50
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, term of award		10 years
Employee warrants to purchase common stock		750,000
Warrants, exercise price	$ 1.50	$ 2.50	$ 1.50
Stock-based compensation expense			$ 0.2
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, exercise price	$ 1.50		$ 2.50
Stock options granted			4,394,999
Incremental compensation expense			$ 0.2
Remaining incremental compensation cost award requisite service period			$ 0.1
Stock Option [Member] | Board of Directors [Member] | Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted	750,000
Stock option exercise price	$ 1.50		$ 1.50
Stock options, term of award	10 years
Stock options granted, description			the Board of Directors granted an employee 750,000 stock options with an exercise price of $1.50 per share and a 10-year life. One-third (1/3) of the options vested and became exercisable on the grant date, one-third (1/3) vest and become exercisable approximately 11 months after the date of grant, and one-third (1/3) vest and become exercisable approximately 23 months after the date of grant.
Stock option exercisable period	11 months
Stock Option [Member] | Board of Directors [Member] | Board Members [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted	211,000
Stock option exercise price	$ 1.50		$ 1.50
Stock options, term of award	10 years
Stock options granted, description			the Board of Directors also granted 211,000 stock options as compensation to board members with an exercise price of $1.50 and a 10-year life. 111,000 of the options vested and became exercisable on the grant date. The remaining 100,000 stock options vest and become exercisable on the first anniversary of the date of grant.
Vested and exercisable number of stock options granted	111,000		111,000
Stock options vest and become exercisable	100,000		100,000