Summary of Significant Accounting Policies - Additional Information (Details) kr in Millions		12 Months Ended
	Nov. 01, 2021	Dec. 31, 2021 USD ($)	Dec. 31, 2021 DKK (kr)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 DKK (kr)
Property, Plant and Equipment [Line Items]
Stock split, description	3.544-for-1 stock split
Stock split, conversion ratio	3.544
Money market funds		$ 101,600,000
Cash equivalents				$ 0
Operating lease description		we entered into new lease agreements for office space and laboratory facilities in the US. Each lease had a free-rent period after lease inception, which led to the recording of a deferred rent liability.	we entered into new lease agreements for office space and laboratory facilities in the US. Each lease had a free-rent period after lease inception, which led to the recording of a deferred rent liability.
Deferred rent liability				0
Lease incentives		$ 0		0
Expected dividend yield		0.00%	0.00%
Unrecognized tax benefits		$ 0		0
Research and Development Expense
Property, Plant and Equipment [Line Items]
Grant income cost reimbursement		109,000		91,000
Research and Development Expense | Danish Tax Authority
Property, Plant and Equipment [Line Items]
Refundable tax credit | kr			kr 25.0
Refundable tax credit receivable		$ 841,000		$ 904,000
Research and Development Expense | Maximum | Danish Tax Authority
Property, Plant and Equipment [Line Items]
Tax credit carryforward | kr					kr 5.5
Refundable tax credit | kr			kr 25.0