XML 115 R104.htm IDEA: XBRL DOCUMENT
v3.25.4

Leases - Additional Information (Details) | 1 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2025 USD ($) | May 31, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jan. 31, 2024 USD ($) | Sep. 30, 2023 USD ($) | Aug. 31, 2023 USD ($) | Nov. 30, 2022 USD ($) | Oct. 31, 2021 USD ($) | May 31, 2021 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2025 USD ($) ft² | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Feb. 29, 2024
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of intangible assets |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |
Asset impairment in relation to restructuring |  |  |  |  |  |  |  |  |  | $ 882,000 | $ 3,607,000 | $ 998,000 | $ 0 |
Corporate and Manufacturing Facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of option to extend |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |
Aliso Viejo Headquarters |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |
Security deposit |  |  |  |  |  |  |  |  |  |  | $ 30,000 |  |  |
Additional square footage of leased space (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  | 18,000 |  |  |
Monthly rent |  |  |  |  |  |  |  |  |  |  | $ 40,000 |  |  |
Austin, Texas Design Center |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  | 5 years | 10 years |  | 5 years |  |  |  |  |  |
Monthly rent |  |  |  |  | $ 15,000 | $ 13,000 |  | $ 14,000 |  |  |  |  |  |
Detroit, Michigan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |
Monthly rent |  |  |  |  |  |  |  |  | $ 24,000 |  |  |  |  |
San Jose, California |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |
Security deposit |  |  | $ 210,000 |  |  |  |  |  |  |  |  |  |  |
Monthly rent |  |  | $ 94,000 |  |  |  |  |  |  |  |  |  |  |
Scotland Design Center Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |
Monthly rent |  |  |  |  |  |  |  |  |  |  | $ 18,000 |  |  |
Haifa, Israel |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years
Monthly rent |  |  |  |  |  |  |  |  |  |  | $ 16,000 |  |  |
TeraXion Office Building |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly rent |  |  |  |  |  |  |  | $ 58,000 |  |  |  |  |  |
Shanghai, China |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly rent |  |  |  |  |  |  | $ 14,000 |  |  |  |  |  |  |
Suzhou, China |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |
Monthly rent |  |  |  |  |  |  | $ 7,000 |  |  |  |  |  |  |
Budapest, Hungary |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |
Monthly rent |  | $ 7,000 |  |  |  |  |  |  |  |  |  |  |  |
Frankfurt (Oder), Germany |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Monthly rent |  |  |  | $ 9,000 |  |  |  |  |  |  |  |  |  |
Nuremburg, Germany |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease term | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly rent | $ 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Lessee, Operating Lease, Additional Square Footage Of Leased Space + References No definition available. + Details
Name: | indi_LesseeOperatingLeaseAdditionalSquareFootageOfLeasedSpace
Namespace Prefix: | indi_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, Operating Lease, Security Deposit + References No definition available. + Details
Name: | indi_LesseeOperatingLeaseSecurityDeposit
Namespace Prefix: | indi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Operating Lease, Rent Expense, Monthly Payments + References No definition available. + Details
Name: | indi_OperatingLeaseRentExpenseMonthlyPayments
Namespace Prefix: | indi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-21 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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 No definition available. + Details
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_RestructuringCostsAndAssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_CorporateAndManufacturingFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_AlisoViejoHeadquartersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_AustinTexasDesignCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_DetroitOperatingLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_SanJoseCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_ScotlandDesignCenterFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_HaifaIsraelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_TeraXionOfficeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_ShanghaiChinaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_SuzhouChinaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_BudapestHungaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_FrankfurtOderGermanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | indi_LeaseArrangementNameAxis=indi_NuremburgGermanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |