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Financial Instruments (Details) - Schedule of Loss Allowance for Accounts Receivable - USD ($) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2024 | Dec. 31, 2023
Accounts receivable [Member] |  |
Schedule of ECLs for Contract Assets, Accounts and Other Receivable [Line Items] |  |
Balance at beginning | $ 13,114,951 | $ 1,481,779
Provision for ECLs |  | 11,633,172
Reverse provision for ECLs | (36,590) |
Balance at ending | 13,078,361 | 13,114,951
Other receivables [Member] |  |
Schedule of ECLs for Contract Assets, Accounts and Other Receivable [Line Items] |  |
Balance at beginning | 521,852 |
Provision for ECLs |  | 521,852
Reverse provision for ECLs |  |
Balance at ending | $ 521,852 | $ 521,852

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- Definition Aount of ECLs for contract assets, accounts and other receivable. + References No definition available. + Details
Name: | glspu_ExpectedCreditLossesForContractAssetsAccountAndOtherReceivable
Namespace Prefix: | glspu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | glspu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Adjustments for provisions to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Provisions; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 20 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_20_b&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The decrease in an allowance account for credit losses of financial assets resulting from the reversal of impairment. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expired 2023-01-01 -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2024-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_TradeReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=glspu_OtherReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |