Nature of the Business and Basis of Presentation - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Proceeds from issuance of common stock under at-the market offering		$ 3,092,000
Income (loss) from continuing operations		(43,300,000)
Accumulated deficit	$ 238,784,000	$ 238,784,000	$ 195,510,000
Follow-on Offering [Member]
Number of shares sold at-the-market offering facility	958,663	958,663
Proceeds from follow on public offer net of underwriting discounts and before payment of offering costs	$ 3,100,000	$ 3,100,000
Follow-on Offering [Member] | Maximum [Member]
Proceeds from issuance of common stock under at-the market offering		$ 75,000,000