XML 57 R29.htm IDEA: XBRL DOCUMENT
v3.22.4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of Property, Equipment and Leasehold Improvements, Net Useful Lives | ​
| ​ |
Description |  | Life
Buildings | ​ | 30 Years and shorter of life of asset or lease term
Furniture and Equipment | ​ | 3 to 7 Years
Computer and Software | ​ | 1 to 5 Years
Machinery, Shop and Testing Equipment | ​ | 3 to 7 Years
Leasehold Improvements | ​ | Shorter of the estimated useful life or the underlying lease term
Vehicles | ​ | 5 Years

X
- Definition The tabular disclosure of estimated useful lives of Property, Equipment and Leasehold Improvements, Net. + References No definition available. + Details
Name: | muln_ScheduleOfPropertyPlantAndEquipmentAndLeaseholdImprovementsUsefulLivesTextBlock
Namespace Prefix: | muln_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration