Stockholders' Equity - Additional Information (Details)	1 Months Ended		3 Months Ended	12 Months Ended
	Apr. 30, 2020 USD ($) $ / shares shares	Feb. 28, 2019 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) Vote $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares
Class Of Stock [Line Items]
Underwriting discounts and commissions | $	$ 8,200,000	$ 4,100,000
Offering costs | $	800,000	400,000
Shares authorized				510,000,000
Common stock, shares authorized			500,000,000	500,000,000	500,000,000
Preferred stock, shares authorized			10,000,000	10,000,000	10,000,000
Common stock, par value | $ / shares			$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, par value | $ / shares			$ 0.0001	$ 0.0001	$ 0.0001
Number of common stock holders voting right | Vote				1
Common stock voting rights				Each holder of common stock is entitled to one vote for each share of common stock held
Common stock dividends declared | $				$ 0	$ 0
Preferred stock, shares outstanding			0	0	0
Net proceeds from sale of common stock | $	$ 129,000,000.0	$ 64,500,000
Reduction in exercise price of each warrant from public offering price for pre-funded warrants per share | $ / shares	$ 0.0001	$ 0.0001
Maximum ownership percentage for outstanding warrants to purchase shares of common stock to be exercised	4.99%	4.99%
Period after notice received by company maximum ownership percentage to be effective description				The revised Maximum Ownership Percentage would be effective 61 days after the notice is received by the Company.
Ownership percentage for outstanding warrants To purchase shares of common stock to be exercised to certain holders	9.99%	9.99%
Maximum
Class Of Stock [Line Items]
Maximum ownership percentage for outstanding warrants to purchase shares of common stock to be exercised	19.99%	19.99%
Follow-on Public Offering | Common Stock
Class Of Stock [Line Items]
Number of shares issued	15,442,303	4,625,000
Public offering price | $ / shares	$ 4.75	$ 8.00
Public offering price of warrant | $ / shares	$ 4.7499	$ 7.9999
Follow-on Public Offering | Common Stock | Maximum
Class Of Stock [Line Items]
Warrants to purchase shares	13,610,328	4,000,000
At-the-Market (ATM) Sales Agreement | JonesTrading Institutional Services LLC
Class Of Stock [Line Items]
Number of shares issued			3,245,077
Aggregate offering price of common stock | $	$ 60,000,000.0
Net proceeds from sale of common stock | $			$ 24,600,000
Proceeds from issuance of common stock gross | $			$ 25,300,000
Underwriters' Over-allotment Option
Class Of Stock [Line Items]
Number of shares issued	3,789,473	1,125,000