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v3.23.1

Other Operating Expense, Net (Details Narrative) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
May 10, 2023 | May 08, 2023 | Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2023 | Apr. 30, 2022
Estimated fair value of acquisition related contingent consideration liability |  |  | $ 216 |  | $ 216 |
Traditional communications cable telephony customer indemnification claim |  |  | 3,912 | $ 33 | 3,925 | $ 68
Indemnification Agreement [Member] |  |  |  |  |  |
Traditional communications cable telephony customer indemnification claim |  | $ 3,900 |  |  |  |
Traditional communications cable telephony customer indemnification claim, paid | $ 1,900 |  |  |  |  |
Traditional communications cable telephony customer indemnification claim, reminder | $ 400 |  |  |  |  |
Traditional Communications Segment [Member] |  |  |  |  |  |
Estimated fair value of acquisition related contingent consideration liability |  |  | $ 200 |  | $ 200 |

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- Definition Traditional communications cable telephony customer indemnification claim. + References No definition available. + Details
Name: | IDT_TraditionalCommunicationsCableTelephonyCustomerIndemnificationClaim
Namespace Prefix: | IDT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Traditional communications cable telephony customer indemnification claim, paid. + References No definition available. + Details
Name: | IDT_TraditionalCommunicationsCableTelephonyCustomerIndemnificationClaimPaid
Namespace Prefix: | IDT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Traditional communications cable telephony customer indemnification claim, reminder. + References No definition available. + Details
Name: | IDT_TraditionalCommunicationsCableTelephonyCustomerIndemnificationClaimToBePaid
Namespace Prefix: | IDT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Traditional communications contingent consideration liability. + References No definition available. + Details
Name: | IDT_TraditionalCommunicationsContingentConsiderationLiability
Namespace Prefix: | IDT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=IDT_IndemnificationAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=IDT_TraditionalCommunicationsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |