XML 93 R68.htm IDEA: XBRL DOCUMENT
v3.21.4

INCOME TAXES - Summary of Income Tax NOL carryforwards (Details) - USD ($) | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |
Net Operating loss carryforwards | $ 38,676,405 | $ 31,413,378
Federal |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating loss carryforwards | 192,657,535 | 193,000,000
Federal | 2034-2037 |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating loss carryforwards | 29,838,716 |
Federal | Indefinite |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating loss carryforwards | 162,818,819 |
California |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating loss carryforwards | 191,722,566 | $ 192,000,000
California | 2034-2040 |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating loss carryforwards | $ 191,722,566 |

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
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 No definition available. + Details
Name: | us-gaap_OperatingLossCarryforwardsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=muln_TwoThousandAndThirtyFourToTwoThousandAndThirtySevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=muln_IndefiniteExpirationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=muln_TwoThousandAndThirtyFourToTwoThousandAndFortyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |