XML 67 R50.htm IDEA: XBRL DOCUMENT
v3.25.2

Warrant Liabilities - Schedule of Fair Value of the Warrant Liabilities (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024
Exercise Price [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.207
Exercise Price [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.207
Exercise Price [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.207
Exercise Price [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.276
Exercise Price [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.276
Exercise Price [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.276
Warrant Expiration Date [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant Expiration date | Nov 2, 2028
Warrant Expiration Date [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant Expiration date | Nov 2, 2028
Warrant Expiration Date [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant Expiration date | Nov 2, 2028
Warrant Expiration Date [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant Expiration date | Feb 2, 2029
Warrant Expiration Date [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant Expiration date | Feb 2, 2029
Warrant Expiration Date [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant Expiration date | Feb 2, 2029
Stock Price [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.13
Stock Price [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.11
Stock Price [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Stock Price [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.18
Stock Price [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.1
Stock Price [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Interest Rate (Annual) [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 4.65
Interest Rate (Annual) [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 4.29
Interest Rate (Annual) [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Interest Rate (Annual) [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 3.99
Interest Rate (Annual) [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 4.24
Interest Rate (Annual) [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Volatility (Annual) [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 100.54
Volatility (Annual) [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 159.04
Volatility (Annual) [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Volatility (Annual) [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 152.48
Volatility (Annual) [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 158.8
Volatility (Annual) [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Time to Maturity (Years) [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 5
Time to Maturity (Years) [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 4.41
Time to Maturity (Years) [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Time to Maturity (Years) [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 5
Time to Maturity (Years) [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 4.57
Time to Maturity (Years) [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Calculated Value per Share [Member] | November 2, 2023 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.09
Calculated Value per Share [Member] | Jun 6, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.1
Calculated Value per Share [Member] | Nov 2, 2028 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |
Calculated Value per Share [Member] | January 10, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.16
Calculated Value per Share [Member] | July 9, 2024 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities | 0.09
Calculated Value per Share [Member] | Feb 2, 2029 [Member] |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Fair value of warrant liabilities |

X
- Definition Warrant Expiration date. + References No definition available. + Details
Name: | mi_WarrantExpirationDate
Namespace Prefix: | mi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExercisePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=mi_NovemberTwoTwoZeroTwoThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=mi_JunSixTwentyTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=mi_NovTwoThousandTwentyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=mi_JanuaryTenTwentyTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=mi_JulyNineTwentyTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=mi_FebTwoTwoThousandTwentyNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=mi_MeasurementInputWarrantExpirationDateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputSharePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=mi_MeasurementInputInterestRateAnnualMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputCommodityMarketPriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |