Milestone payment achieved.

No definition available.

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- 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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- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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- Definition

The increase (decrease) during the reporting period in intangible assets (for example patents and licenses).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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Intangible Asset - Additional Information (Detail) £ in Millions, $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2022	Mar. 31, 2021 GBP (£)
Finite-Lived Intangible Assets [Line Items]
Intangible asset estimated weighted- average remaining life		9 years
Food and Drug Administration
Finite-Lived Intangible Assets [Line Items]
Milestone payment achieved \| £			£ 7.5
Increase in intangible assets \| $	$ 12.0