Summary of Significant Accounting Policies - Narrative (Details)				1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Feb. 01, 2023	Jan. 13, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jan. 31, 2023 USD ($)	Nov. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) reporting_unit segment	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of operating segment | segment								1
Number of reportable segments | segment								1
Inventory write-down						$ 300,000	$ 200,000	$ 900,000	$ 2,600,000
Allowance for uncollectible accounts						0		0		$ 0
Proceeds from sale of business								17,000,000	50,000,000
Employer retention credit receivable						0		$ 0		$ 4,703,000
Number of reporting unit | reporting_unit								1
Goodwill impairment						0	0	$ 0	12,026,000
Impairment of property and equipment						0	0	0	0
Impairment of intangible assets						0	$ 0	0	$ 0
Left-Heart Access Portfolio
Summary Of Significant Accounting Policies [Line Items]
Contingent consideration received from sales								6,100,000
Held-for-sale | Left-Heart Access Portfolio
Summary Of Significant Accounting Policies [Line Items]
Proceeds from sale of business		$ 17,000,000	$ 50,000,000	$ 17,000,000	$ 20,000,000
Milestone consideration, period	4 years		4 years
Held-for-sale | Left-Heart Access Portfolio | Year one
Summary Of Significant Accounting Policies [Line Items]
Milestone consideration, royalty percentage	100.00%		100.00%
Held-for-sale | Left-Heart Access Portfolio | Year two
Summary Of Significant Accounting Policies [Line Items]
Milestone consideration, royalty percentage	75.00%		75.00%
Held-for-sale | Left-Heart Access Portfolio | Year three
Summary Of Significant Accounting Policies [Line Items]
Milestone consideration, royalty percentage	50.00%		50.00%
Held-for-sale | Left-Heart Access Portfolio | Year four
Summary Of Significant Accounting Policies [Line Items]
Milestone consideration, royalty percentage	50.00%		50.00%
Held-for-sale | Left-Heart Access Portfolio | Transfer Earnout
Summary Of Significant Accounting Policies [Line Items]
Proceeds from sale of business			$ 17,000,000
CARES Employee Retention Credit
Summary Of Significant Accounting Policies [Line Items]
Employer retention credit, amount refunded						6,800,000		6,800,000
Employer retention credit receivable						$ 4,700,000		$ 4,700,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Customers payment period								30 days
Property and equipment, estimated useful lives						3 years		3 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Customers payment period								60 days
Contracts with customers, expected duration						1 year		1 year
Agreement to produce and sell products, term										4 years
Property and equipment, estimated useful lives						5 years		5 years
Deferred Equipment Agreements | Minimum
Summary Of Significant Accounting Policies [Line Items]
Term of contract								2 years
Deferred Equipment Agreements | Maximum
Summary Of Significant Accounting Policies [Line Items]
Term of contract								4 years