Basis of Presentation & Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Jan. 01, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Impairment of long lived assets held for use	$ 0
Operating lease right-of-use assets	13,736			$ 0
Operating lease obligations	13,550			0
Land buildings and equipment and operating lease right of use asset lessee	18,600
Stockholders equity	8,844	$ 13,759		$ 14,132	$ 15,825	$ 21,896	$ 36,875
Market capitalization	8,000
Accounting Standards Update 2016-02 [Member]
Property, Plant and Equipment [Line Items]
Operating lease right-of-use assets			$ 14,100
Operating lease obligations			$ 14,100
Stockholders equity cumulative effect of adoption of lease accounting standard.	$ 800
Follow On Offering [Member]
Property, Plant and Equipment [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.41
Date from which Warrants or Rights Exercisable	Aug. 23, 2027