Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2022 USD ($) Letter Segment	Dec. 31, 2021 USD ($) Letter	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jan. 01, 2021
Letters of credit outstanding	$ 500,000	$ 500,000
Number of letters of credit maintained | Letter	2	2
Restricted cash non-current	$ 500,000	$ 500,000
Allowance for credit losses	0	0
Provisions for credit losses	0	0		$ 0
Write off accounts receivable balances		0	$ 0
Impairment losses on long-lived assets	0	0	0
Capitalized software development costs	0	0	0	$ 0
Provision for loss on contracts	0
Credit losses	$ 0	0	0
Number of operating segments | Segment	1
Term of product warranties	1 year
Product warranty description	The Company provides a one-year warranty on its OCS Consoles and disposable sets and replaces or repairs any OCS Console or disposable set that does not function in accordance with the product specifications
Contract with customer, asset, after allowance for credit loss	$ 0	0
ASU No. 2016-02
Change in accounting principle, accounting standards update, adopted					true
Change in accounting principle, accounting standards update, immaterial effect					true
Change in accounting principle, accounting standards update, adoption date					Jan. 01, 2021
Other Income (Expense) [Member]
Foreign currency transaction gains (losses)	(1,300,000)	(1,000,000.0)	$ 1,000,000.0
Maximum [Member]
Write off accounts receivable balances	100,000
Product warranty accrual	$ 100,000	$ 100,000
Performance obligations satisfaction period	1 year
Customer Concentration Risk [Member] | Revenue [Member] | Significant Customer Benchmark [Member] | Minimum [Member]
Concentration risk percentage	10.00%
Customer Concentration Risk [Member] | Revenue [Member] | Customer One [Member]
Concentration risk percentage	14.00%	11.00%	14.00%
Customer Concentration Risk [Member] | Revenue [Member] | Customer Two [Member]
Concentration risk percentage			10.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Significant Customer Benchmark [Member] | Minimum [Member]
Concentration risk percentage	10.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer One [Member]
Concentration risk percentage		21.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]
Concentration risk percentage		15.00%