Related Party Transactions - Additional Information (Details) - USD ($)				12 Months Ended		69 Months Ended
	Jul. 16, 2021	Apr. 13, 2020	Mar. 16, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2019	Apr. 30, 2016
Related Party Transaction [Line Items]
Number of common stock purchased	8,333,333
Common stock, shares issued				26,287,264	17,548,263	26,287,264
Common Stock
Related Party Transaction [Line Items]
Number of common stock purchased					5,405,000
IPO
Related Party Transaction [Line Items]
Number of common stock purchased		705,000	4,700,000
Lundbeckfond Invest A/S
Related Party Transaction [Line Items]
Ownership interest percentage				5.00%	7.40%	5.00%
Lundbeckfond Invest A/S | IPO | Common Stock
Related Party Transaction [Line Items]
Number of common stock purchased			187,500
Lundbeck | Lundbeck Agreement
Related Party Transaction [Line Items]
Ownership interest percentage				1.80%	2.70%	1.80%
Common stock, shares issued							443,271	167,523
Upfront and ongoing milestone payments				$ 0	$ 0
Lundbeck | Lundbeck Agreement | Research and Development Expense
Related Party Transaction [Line Items]
Upfront and ongoing milestone payments						$ 1,800,000
Series A Preferred Stock | Lundbeckfond Invest A/S
Related Party Transaction [Line Items]
Shares owned							5,470,492
Series A Preferred Stock | Lundbeck | Lundbeck Agreement
Related Party Transaction [Line Items]
Shares owned							499,069
Series Seed Convertible Preferred Stock | Lundbeckfond Invest A/S
Related Party Transaction [Line Items]
Shares owned							478,749
Series B Preferred Stock | Lundbeckfond Invest A/S
Related Party Transaction [Line Items]
Shares owned							1,326,111