Other Accrued Expenses and Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued Liabilities And Other Liabilities Current [Abstract]
Accrued professional fees	$ 734	$ 576
Accrued warranties	392	377
Customer deposits	209	149
Rental payments due to landlord		922
Accrued restructuring		294
Other accrued expenses	1,981	1,456
Total	$ 3,316	$ 3,774