XML 49 R37.htm IDEA: XBRL DOCUMENT
v3.25.1

Government Funding - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Apr. 30, 2025 | Feb. 27, 2024
Government Assistance [Line Items] |  |  |  |
Government Funding |  |  |  | $ 99,750
Proceeds from government funding | $ 12,900 | $ 0 |  |
Government assistance capital fundings | $ 13,900 |  |  |
Subsequent Event |  |  |  |
Government Assistance [Line Items] |  |  |  |
Government fund received |  |  | $ 5,100 |

X
- Definition Government assistance capital fundings. + References No definition available. + Details
Name: | mtus_GovernmentAssistanceCapitalFundings
Namespace Prefix: | mtus_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Government fund received, + References No definition available. + Details
Name: | mtus_GovernmentFundReceived
Namespace Prefix: | mtus_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Proceeds from government funding. + References No definition available. + Details
Name: | mtus_ProceedsFromGovernmentFunding
Namespace Prefix: | mtus_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of government assistance awarded that comprises amount received, receivable, and to be received unless condition for government assistance is not met. Includes, but is not limited to, government grant, assistance, incentive, award, subsidy, and loan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + Details
Name: | us-gaap_GovernmentAssistanceAwardAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + Details
Name: | us-gaap_GovernmentAssistanceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |