Revenue from Contracts with Customers - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Order shipments, description	A majority of the Company’s revenue is short cycle in nature with shipments within one year from order.
Payment terms, description	The Company's payment terms generally range between 30 to 90 days.
Refund liability	$ 232,000		$ 248,000
Contract assets	0		0
Contract with customer liability, revenue recognized	400,000	$ 200,000
Accrued Liabilities [Member]
Disaggregation Of Revenue [Line Items]
Refund liability	200,000		200,000
Contract liability	800,000		900,000
Inventories [Member]
Disaggregation Of Revenue [Line Items]
Product return asset	$ 100,000		$ 100,000