XML 62 R53.htm IDEA: XBRL DOCUMENT
v3.23.2

GOODWILL AND INTANGIBLE ASSETS - Intangible assets - Total (Details) - USD ($) | Jun. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Gross Carrying Amount | $ 118,157,930 | $ 95,714,379
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated Amortization | (6,200,396) | (1,767,361)
Net Carrying Amount | 111,957,534 | 93,947,018
Trademarks |  |
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Trademark | 796,773 | 466,014
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Net Carrying Amount | 796,773 |
Website design and development |  |
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Gross Carrying Amount, Finite-lived | 2,660,391 | 2,660,391
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated Amortization | (1,773,594) | (1,108,496)
Net Carrying Amount | 886,797 | 1,551,895
Intellectual property |  |
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Gross Carrying Amount, Finite-lived | 58,375,794 | 58,375,794
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated Amortization | (71,182) | (438,581)
Net Carrying Amount | 58,304,612 | 57,937,213
Patents |  |
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Gross Carrying Amount, Finite-lived | 32,391,186 | 32,391,186
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated Amortization | (2,857,539) | (204,109)
Net Carrying Amount | 29,533,647 | 32,187,077
Engineer Design - ELMS |  |
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Gross Carrying Amount, Finite-lived | 22,112,791 |
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated Amortization | (1,289,913) |
Net Carrying Amount | 20,822,878 |
Other |  |
Intangible Assets, Gross (Excluding Goodwill) [Abstract] |  |
Gross Carrying Amount, Finite-lived | 1,820,995 | 1,820,994
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Accumulated Amortization | (208,168) | (16,175)
Net Carrying Amount | $ 1,612,827 | $ 1,804,819

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483147/928-340-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_IndefiniteLivedTrademarks
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_IntangibleAssetsGrossExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-1 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=muln_WebsiteDesignAndDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_IntellectualPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=muln_EngineerDesignElmsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |