XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Debt Securities (Tables) | 6 Months Ended
--- | ---
Jan. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-sale Securities | The following is a summary of available-for-sale debt securities: Schedule of Available-for-sale Securities
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
|  | (in thousands) |
January 31, 2024: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit* |  | $ | 960 |  |  | $ | — |  |  | $ | — |  |  | $ | 960 |
U.S. Treasury bills and notes |  |  | 23,738 |  |  |  | 12 |  |  |  | (76 | ) |  |  | 23,674 |
Government sponsored enterprise notes |  |  | 3,261 |  |  |  | 1 |  |  |  | (3 | ) |  |  | 3,259 |
Corporate bonds |  |  | 3,901 |  |  |  | 1 |  |  |  | (376 | ) |  |  | 3,526 |
Total |  | $ | 31,860 |  |  | $ | 14 |  |  | $ | (455 | ) |  | $ | 31,419 |
July 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit* |  | $ | 4,080 |  |  | $ | — |  |  | $ | (4 | ) |  | $ | 4,076 |
U.S. Treasury bills and notes |  |  | 31,186 |  |  |  | — |  |  |  | (148 | ) |  |  | 31,038 |
Government sponsored enterprise notes |  |  | 3,881 |  |  |  | — |  |  |  | (8 | ) |  |  | 3,873 |
Corporate bonds |  |  | 3,912 |  |  |  | — |  |  |  | (485 | ) |  |  | 3,427 |
Total |  | $ | 43,059 |  |  | $ | — |  |  | $ | (645 | ) |  | $ | 42,414 |
* | Each of the Company’s certificates of deposit has a CUSIP, was purchased in the secondary market through a broker and may be sold in the secondary market.
Schedule of Contractual Maturities of Available-for-sale Debt Securities | The contractual maturities of the Company’s available-for-sale debt securities at January 31, 2024 were as follows: Schedule of Contractual Maturities of Available-for-sale Debt Securities
|  | Fair Value |
|  | (in thousands) |
Within one year |  | $ | 23,087 |
After one year through five years |  |  | 7,496 |
After five years through ten years |  |  | 808 |
After ten years |  |  | 28 |
Total |  | $ | 31,419 |
Schedule of Available-for-sale Securities, Unrealized Loss Position | The following available-for-sale debt securities were in an unrealized loss position for which other-than-temporary impairments were not recognized: Schedule of Available-for-sale Securities, Unrealized Loss Position
|  | Unrealized Losses |  |  | Fair Value |
|  | (in thousands) |
January 31, 2024: |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | — |  |  | $ | — |
U.S. Treasury bills and notes |  |  | 76 |  |  |  | 21,754 |
Government sponsored enterprise notes |  |  | 3 |  |  |  | 2,910 |
Corporate bonds |  |  | 376 |  |  |  | 3,384 |
Total |  | $ | 455 |  |  | $ | 28,048 |
July 31, 2023: |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 4 |  |  | $ | 3,356 |
U.S. Treasury bills and notes |  |  | 148 |  |  |  | 31,038 |
Government sponsored enterprise notes |  |  | 8 |  |  |  | 3,873 |
Corporate bonds |  |  | 485 |  |  |  | 3,368 |
Total |  | $ | 645 |  |  | $ | 41,635 |
Schedule of Continuous Unrealized Loss Position for 12 Months or Longer | The following available-for-sale debt securities included in the table above were in a continuous unrealized loss position for 12 months or longer: Schedule of Continuous Unrealized Loss Position for 12 Months or Longer
|  | Unrealized Losses |  |  | Fair Value |
|  | (in thousands) |
January 31, 2024: |  |  |  |  |  |  |  |
U.S. Treasury bills and notes |  | $ | 63 |  |  | $ | 2,837 |
Corporate bonds |  |  | 376 |  |  |  | 3,384 |
Total |  | $ | 439 |  |  | $ | 6,221 |
July 31, 2023: |  |  |  |  |  |  |  |
U.S. Treasury bills and notes |  | $ | 86 |  |  | $ | 816 |
Corporate bonds |  |  | 484 |  |  |  | 3,299 |
Total |  | $ | 570 |  |  | $ | 4,115 |

X
- Definition Schedule Of Unrealized Loss On Investment [Table Text Block] + References No definition available. + Details
Name: | IDT_ScheduleOfUnrealizedLossOnInvestmentTableTextBlock
Namespace Prefix: | IDT_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration