Stockholders' Equity - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Beginning balance	5,350,800	3,969,000
Options granted	2,224,250	1,400,000
Exercised	0	0
Expired/Forfeited	(472,114)	(18,200)
Number of Shares, Ending balance	7,102,936	5,350,800	3,969,000
Number of Shares, Exercisable	1,483,445	1,483,445
Weighted Average Exercise Price, Beginning balance	$ 1.69	$ 1.33
Granted	8.54	2.74
Exercised	0	0
Expired/Forfeited	3.27	3.67
Weighted Average Exercise Price, Ending balance	2.60	1.69	$ 1.33
Exercisable as of December 31, 2021	$ 0.93	$ 0.67
Weighted Average Contractual Life Remaining (in years), Outstanding	7 years 5 months 12 days	7 years 9 months	8 years 3 months
Weighted Average Contractual Life Remaining (in years), Exercisable	5 years 9 months 3 days	6 years 2 months 19 days
Aggregate Intrinsic Value, Beginning balance	$ 41,442,250	$ 2,668,000
Aggregate Intrinsic Value, Ending balance	115,468,794	41,442,250	$ 2,668,000
Aggregate Intrinsic Value Exercisable	$ 27,661,727	$ 10,363,950