XML 53 R45.htm IDEA: XBRL DOCUMENT v3.22.2.2

Convertible loan notes - Additional Information (Detail) - Novartis [member]	6 Months Ended
	Jun. 30, 2022 £ / shares
Disclosure of detailed information about borrowings [line items]
Conversion price per share	£ 0.265
Borrowing interest rate	6.00%
Expiry date of warrants	2023-02
June 2020 private placement [member]
Disclosure of detailed information about borrowings [line items]
Conversion price per share	£ 0.174
Borrowing interest rate	6.00%
Expiry date of warrants	2023-06

X

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard
-URIDate 2021-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

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

+ References

No definition available.

+ Details

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X

- Definition

Conversion share ratio.

+ References

No definition available.

+ Details

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Namespace Prefix:	mreo_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Expiry date of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	mreo_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: