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Description of Business and Basis of Financial Statements (Details) $ in Thousands	98 Months Ended
	Jun. 30, 2022 USD ($) employee program	Dec. 31, 2021 USD ($)
Accounting Policies [Abstract]
Number of employees | employee	60
Number of development programs | program	3
Accumulated deficit	$ 239,582	$ 196,873
Proceeds from issuance of private placement	299,100
Cash and cash equivalents	$ 88,078	$ 86,863

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Number of persons employed by the Entity

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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