Note 13 - Liability to Issue Stock (Details Textual) $ in Millions	Jun. 30, 2025 USD ($)
Liability to Issue Shares	$ 1.5
Chief Executive Officer [Member]
Liability To Issue Shares, Current	1.1
Liability to Issue Shares Non-current	$ 0.1

Amount of liability to issue shares classified as non-current.

No definition available.

Name:	muln_LiabilityToIssueSharesNoncurrent
Namespace Prefix:	muln_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant