Stockholder's equity (Details) - USD ($)	1 Months Ended			3 Months Ended	6 Months Ended
	Nov. 30, 2021	Jun. 30, 2021	May 31, 2021	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Oct. 31, 2020
Stockholders Equity [Line Items]
Preferred stock, shares authorized					10,000,000		10,000,000	10,000,000
Common stock, shares authorized					150,000,000		150,000,000	150,000,000
Preferred stock, par value per share (in dollars per share)							$ 0.0001	$ 0.0001
Common stock, par value per share (in dollars per share)					$ 0.0001		$ 0.0001	$ 0.0001
Proceeds from follow-on public offering					$ 0	$ 169,934,000
Issuance of common stock, net				$ 169,483,000
At-the-market offerings | Equity Distribution Agreement with Cowen and Company, LLC
Stockholders Equity [Line Items]
Issuance of common stock, net					$ 0
At-the-market offerings | Maximum | Equity Distribution Agreement with Cowen and Company, LLC
Stockholders Equity [Line Items]
Issuance of common stock, net	$ 200,000,000
Common Stock
Stockholders Equity [Line Items]
Issuance of common stock, net (in shares)				4,887,500
Exercise price per share (in dollars per share)					$ 8.86
Amount withheld equivalent to aggregate exercise price			$ 3,000,000
Shares issued upon warrant exercise - related party (in shares)			256,038	256,038
Issuance of common stock, net				$ 1,000
Common Stock | Maximum
Stockholders Equity [Line Items]
Warrant issued to purchase shares (in shares)					338,784
Common Stock | Follow-on public offering
Stockholders Equity [Line Items]
Issuance of common stock, net (in shares)		4,887,500
Proceeds from follow-on public offering		$ 169,500,000
Underwriters for IPO exercised in full overallotment option | Common Stock | Follow-on public offering
Stockholders Equity [Line Items]
Issuance of common stock, net (in shares)		637,500