Significant Accounting Policies - Additional Information (Detail) - USD ($)		3 Months Ended	12 Months Ended
	Mar. 28, 2018	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Significant Accounting Policies [Line Items]
Accumulated other comprehensive income to foreign currency translation		$ 841,000	$ 841,000	$ 841,000
Purchases of marketable securities			139,100,000
Marketable securities matured			124,000,000.0
Interest-bearing cash equivalent consisted of money market fund		77,200,000	77,200,000	155,600,000
Interest-bearing cash equivalent consisted of investment-grade commercial paper				16,500,000
Allowance for credit loss		$ 0	0	0
Impairment of intangible assets			$ 20,699,000	$ 0
Pre Funded Warrants to purchase common stock				3,272,727
ASU 2021-04 [Member]
Schedule Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2022	Jan. 01, 2022
DEXYCU [Member]
Schedule Of Significant Accounting Policies [Line Items]
Accrued revenue-based royalty expense			$ 1,600,000	$ 2,500,000
Impairment of intangible assets		$ 20,700,000
DEXYCU [Member] | Icon Bioscience Inc [Member]
Schedule Of Significant Accounting Policies [Line Items]
Finite-lived intangible asset, useful life	13 years
Minimum [Member]
Schedule Of Significant Accounting Policies [Line Items]
Accounts receivable standard payment terms			120 days
Estimated useful lives of assets			3 years
Maximum [Member]
Schedule Of Significant Accounting Policies [Line Items]
Accounts receivable standard payment terms			127 days
Estimated useful lives of assets			5 years
Investment Instruments [Member] | Credit Concentration Risk [Member] | US Treasury Securities [Member]
Schedule Of Significant Accounting Policies [Line Items]
Percentage of concentration risk			6.10%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | ASD Specialty Healthcare LLC [Member]
Schedule Of Significant Accounting Policies [Line Items]
Percentage of concentration risk			57.10%	38.30%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | McKesson Specialty Care Distribution LLC [Member]
Schedule Of Significant Accounting Policies [Line Items]
Percentage of concentration risk			30.20%	54.70%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | ASD Specialty Healthcare LLC [Member]
Schedule Of Significant Accounting Policies [Line Items]
Percentage of concentration risk			51.10%	43.10%
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | McKesson Specialty Care Distribution LLC [Member]
Schedule Of Significant Accounting Policies [Line Items]
Percentage of concentration risk			39.50%	46.60%