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Opearting lease rent area.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

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Commitments and Contingencies - Additional Information (Detail) € in Millions		1 Months Ended				3 Months Ended		6 Months Ended
	Sep. 17, 2018 USD ($) ft²	Sep. 30, 2021 USD ($)	Aug. 31, 2020 USD ($)	Jul. 31, 2019 USD ($) ft²	Nov. 30, 2009 USD ($)	Mar. 31, 2022 USD ($) ft²	Mar. 31, 2021 USD ($)	Jun. 30, 2021	Mar. 31, 2022 EUR (€) ft²	Dec. 31, 2021 USD ($)	May 31, 2021 USD ($)	Dec. 31, 2004 EUR (€)
Loss Contingencies [Line Items]
Sublease income						$ 1,609,000	$ 2,022,000
Cash paid for amounts included in the measurement of operating lease liabilities						1,700,000	1,700,000
Long-term debt, net of debt discount						4,741,000				$ 5,010,000
Selling, general and administrative						32,172,000	22,423,000
Symphony Dynamo Holdings LLC
Loss Contingencies [Line Items]
License arrangement contingent consideration percentage					50.00%
License Arrangement Contingent Payment To Acquire License					$ 50,000,000
License arrangement upfront payment					$ 50,000,000
TriSalus
Loss Contingencies [Line Items]
Payment to holdings			$ 2,500,000
Payment received for Pre-commercialization milestone		$ 1,000,000.0
TriSalus \| Asset Purchase Agreement
Loss Contingencies [Line Items]
Payment received for Pre-commercialization milestone		$ 500,000
Deutsche Bank Securities
Loss Contingencies [Line Items]
Letter of credit pledged as security \| €												€ 0.2
Collateralized certificate of deposit \| €									€ 0.2
2.50% Convertible Senior Notes Due 2026
Loss Contingencies [Line Items]
Aggregate principal amount						225,500,000	158,800,000				$ 200,000,000.0
Long-term debt, net of debt discount						$ 4,700,000
Debt maturity date						May 15, 2026
Powell Street Sublease \| Emeryville, California (Premises)
Loss Contingencies [Line Items]
Lease area \| ft²				23,976		8,053			8,053
Base rent per square feet				$ 3.90		$ 4.65
Lease expiration date				Jun. 30, 2022		Jul. 31, 2025
Option to extend						There is no option to extend the sublease term.
Existence of option to extend								false
Horton Street Master Lease
Loss Contingencies [Line Items]
Percentage of excess rent paid to landlord						50.00%			50.00%
Horton Street Sublease \| Emeryville, California (Premises)
Loss Contingencies [Line Items]
Lease area \| ft²	75,662			75,662
Base rent per square feet	$ 4.75			$ 5.50
Lease expiration date				Mar. 31, 2031
Option to extend				The Horton Street Subtenant has no option to extend the sublease term.
Existence of option to extend				false
Operations commencement date	Apr. 01, 2019
Tenant improvement allowance	$ 8,100,000
Lease option to extend	The Horton Street Master Lease has an initial term of 12 years, following the Horton Street Commencement Date with an option to extend the lease for two successive five-year terms.
Horton Street Sublease \| Emeryville, California (Premises) \| Other Income (Expense)
Loss Contingencies [Line Items]
Sublease income						$ 1,600,000	$ 2,000,000.0
Dusseldorf Lease \| Germany
Loss Contingencies [Line Items]
Lease option to extend		The New Düsseldorf Lease has an initial term of 10 years, beginning on January 1, 2022, with an option to extend the lease for two successive five-year terms.