XML 334 R130.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Organization and Business Operations (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 19, 2023 USD ($) shares | Oct. 21, 2021 USD ($) $ / shares shares | Dec. 31, 2023 USD ($)
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Amount of transaction costs |  |  | $ 3,910
Warrants issued in connection with business combination | shares | 340,250 |  |
Legacy SMAP |  |  |
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Shares exchange ratio in business combination | 10.2776 |  |
Trust account net of redemptions | $ 2,137 |  |
Amount of transaction costs | $ 3,910 |  |
Initial Public Offering |  |  |
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Underwriting commissions |  | $ 2,300 |
Other offering costs |  | 523 |
Allocated to temporary equity |  | 2,686 |
Allocated to additional paid-in capital |  | 137 |
Amount of transaction costs |  | $ 2,823 |
Initial Public Offering | Legacy SMAP |  |  |
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Sale of units, net of underwriting discounts (in shares) | shares |  | 11,500,000 |
Purchase price, per unit | $ / shares |  | $ 10.00 |
Proceeds from issuance initial public offering |  | $ 115,000 |
Underwriting commissions |  | 2,300 |
Other offering costs |  | 523 |
Allocated to temporary equity |  | 2,687 |
Allocated to additional paid-in capital |  | 137 |
Amount of transaction costs |  | $ 2,823 |
Over allotment option | Legacy SMAP |  |  |
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Sale of units, net of underwriting discounts (in shares) | shares |  | 1,500,000 |
Proceeds from issuance initial public offering |  | $ 115,000 |
Private placement | Private Placement Warrants | Legacy SMAP |  |  |
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Number of shares received by the holder | shares |  | 675,000 |
Price of warrant | $ / shares |  | $ 10.00 |
Proceeds from private placement units |  | $ 6,750 |
Legacy SMAP |  |  |
Financial Support for Nonconsolidated Legal Entity [Line Items] |  |  |
Shares exchange ratio in business combination | 10.2776 |  |

X
- Definition Price per share or per unit of warrants or rights outstanding. + References No definition available. + Details
Name: | msai_ClassOfWarrantOrRightPriceOfWarrantsOrRights
Namespace Prefix: | msai_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the Trust account net of redemptions. + References No definition available. + Details
Name: | msai_ProceedsFromTrustAccountNetOfRedemptions
Namespace Prefix: | msai_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of other offering costs incurred. + References No definition available. + Details
Name: | msai_SaleOfStockOtherOfferingCosts
Namespace Prefix: | msai_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of offering discounts and commissions incurred for underwriters. + References No definition available. + Details
Name: | msai_SaleOfStockUnderwritingDiscountsAndCommissions
Namespace Prefix: | msai_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of shares issued exchange ratio in a business combination + References No definition available. + Details
Name: | msai_SharesExchangeRatioInBusinessCombination
Namespace Prefix: | msai_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of transaction costs incurred related to shares during the period. + References No definition available. + Details
Name: | msai_TransactionCosts
Namespace Prefix: | msai_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of transaction costs allocate to additional paid in capital. + References No definition available. + Details
Name: | msai_TransactionCostsAllocateToAdditionalPaidInCapital
Namespace Prefix: | msai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of transaction costs allocate to temporary equity. + References No definition available. + Details
Name: | msai_TransactionCostsAllocateToTemporaryEquity
Namespace Prefix: | msai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of new units issued during the period. + References No definition available. + Details
Name: | msai_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | msai_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants issued in connection with business combination. + References No definition available. + Details
Name: | msai_WarrantsIssuedInConnectionWithBusinessCombination
Namespace Prefix: | msai_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-15 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-16 + Details
Name: | us-gaap_FinancialSupportForNonconsolidatedLegalEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from entity's first offering of stock to the public. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromIssuanceInitialPublicOffering
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share or per unit amount of equity securities issued. + References No definition available. + Details
Name: | us-gaap_SharesIssuedPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=msai_SportsMapTechAcquisitionCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=msai_PrivatePlacementWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=msai_SportsMapTechAcquisitionCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |