Fair Value Measurements - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Outstanding warrants (in shares)	214,510
Loss recognized from the change in fair value of common stock warrants	$ 1,386	$ 17,087
Common Stock Warrant Expiring October 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stock price per share (in dollars per share)	$ 3.50
Outstanding warrants (in shares)	1,000	154,700
Loss recognized from the change in fair value of common stock warrants	$ 100	$ 5,500