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Nature of Business, Basis of Presentation and Going Concern Uncertainty - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Accounting Policies [Abstract]
Accumulated deficit	$ (124,704)						$ (124,704)		$ (93,586)
Net loss	(13,077)	$ (10,468)	$ (7,573)	$ (6,691)	$ (11,311)	$ (7,999)	(31,118)	$ (26,001)
Cash and cash equivalents	18,197						18,197		$ 43,022
Working capital	$ 14,000						14,000
Net cash used in operating activities							$ 26,406	$ 24,222

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The capital of a business which is used in its day-to-day trading operations, calculated as the current assets minus the current liabilities.

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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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