XML 81 R71.htm IDEA: XBRL DOCUMENT
v3.23.1

Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2023 | Apr. 30, 2022 | Jul. 31, 2022
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Investment in hedge funds | $ 3,100 |  | $ 3,100 |  | $ 3,200
Contingent consideration payment |  |  | 2,200 |  |
Gain on write-off of contingent consideration payment obligation |  |  | 1,565 |  |
Other Operating Income (Expense) [Member] |  |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |  |
Gain on write-off of contingent consideration payment obligation |  |  | $ 1,600 | $ 300 |
Estimated fair value of contingent consideration | $ 200 |  |  |  |

X
- Definition Investment in hedge funds. + References No definition available. + Details
Name: | IDT_InvestmentInHedgeFunds
Namespace Prefix: | IDT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e7008-128479 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_FairValueOptionQuantitativeDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentForContingentConsiderationLiabilityInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherOperatingIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |