XML 209 R191.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

FAIR VALUE MEASUREMENT (Details) - CONCORD ACQUISITION CORP III - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 02, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Liabilities.: |  |  |
Warrant Liability |  | $ 2,383,000 | $ 1,812,200
Sponsor Earnout Shares |  |  |
Liabilities.: |  |  |
Number of shares to be private placement warrants issued at closing | 2,820,000 | 2,820,000 |
Private Placement Warrants |  |  |
Liabilities.: |  |  |
percentage of warrants subject to forfeiture |  | 100.00% |
Level 1 | Recurring | Marketable Securities Held In Trust Account |  |  |
Liabilities.: |  |  |
Marketable securities held in Trust Account |  |  | 356,190,233
Level 1 | Recurring | Public Warrants |  |  |
Liabilities.: |  |  |
Warrant Liability |  | $ 1,725,000 |
Level 2 | Recurring | Public Warrants |  |  |
Liabilities.: |  |  |
Warrant Liability |  |  | 1,173,000
Level 3 | Recurring | Private Placement Warrants |  |  |
Liabilities.: |  |  |
Warrant Liability |  | $ 658,000 | 639,200
Level 3 | Recurring | Sponsor Loans |  |  |
Liabilities.: |  |  |
Warrant Liability |  |  | $ 1,000,000

X
- Definition The number of shares of private placement warrant issuable at closing. + References No definition available. + Details
Name: | gcts_BusinessAcquisitionPrivatePlacementWarrantsIssuableAtClosingNumberOfShares
Namespace Prefix: | gcts_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of warrants subject to forfeiture. + References No definition available. + Details
Name: | gcts_PercentageOfWarrantsSubjectToForfeiture
Namespace Prefix: | gcts_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The fair value of shares that would be issued, determined under the conditions specified in the contract if the settlement were to occur at the reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481648/480-10-50-2 + Details
Name: | us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsFairValueOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=gcts_MarketableSecuritiesHeldInTrustAccountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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