XML 48 R41.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Prepaid expenses and other current assets (Additional Information) (Details) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 USD ($)
Defined Benefit Plan Disclosure [Line Items] |
Standard amounts receivable | $ 1.6

X
- Definition Amount Received + References No definition available. + Details
Name: | mreo_AmountReceived
Namespace Prefix: | mreo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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