Information pertaining to the extension period granted.

No definition available.

Name:	mbrx_NASDAQComplianceExtensionPeriod
Namespace Prefix:	mbrx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Information pertaining to Nasdaq Global minimum bid price requirement.

+ References

No definition available.

+ Details

Name:	mbrx_NASDAQComplianceMinimumClosingBidPricePerShare
Namespace Prefix:	mbrx_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of core drug technologies.

+ References

No definition available.

+ Details

Name:	mbrx_NumberOfCoreDrugTechnologies
Namespace Prefix:	mbrx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4

+ Details

Name:	us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_NonmonetaryTransactionTypeAxis=mbrx_ReverseStockSplitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=mbrx_AnimalLifeSciencesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 1 - Nature of Business (Details Textual)			6 Months Ended
Note 1 - Nature of Business (Details Textual)	Mar. 22, 2024	Mar. 21, 2024	Apr. 29, 2024	Sep. 30, 2024	May 05, 2023 $ / shares
Number of Core Drug Technologies				3
NASDAQ Compliance, Minimum Closing Bid Price Per Share (in dollars per share)					$ 1
NASDAQ Compliance, Extension Period (Day)			180 days
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	15	15
Animal Life Sciences, Inc [Member]
Equity Method Investment, Ownership Percentage				10.00%