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Financial instruments - Summary of Debt Instruments Periodic Payments (Detail) - Bio Ventus LLC [Member] - Term Loan [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Debt Instrument Schedule Periodic Payment Period One [Member]
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal	$ 3,750
Debt Instrument Schedule Periodic Payment Period Two [Member]
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal	$ 5,000

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	debit
Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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