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Debt Securities | 12 Months Ended
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Jul. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Debt Securities | Note 7—Debt Securities The following is a summary of available-for-sale debt securities: Schedule of Available-for-sale Securities
(in thousands) |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
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 |
July 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit* |  | $ | 2,000 |  |  | $ | — |  |  | $ | (14 | ) |  | $ | 1,986 |
U.S. Treasury bills and notes |  |  | 13,848 |  |  |  | — |  |  |  | (114 | ) |  |  | 13,734 |
Corporate bonds |  |  | 3,966 |  |  |  | 1 |  |  |  | (416 | ) |  |  | 3,551 |
Municipal bonds |  |  | 3,035 |  |  |  | — |  |  |  | (3 | ) |  |  | 3,032 |
TOTAL |  | $ | 22,849 |  |  | $ | 1 |  |  | $ | (547 | ) |  | $ | 22,303 |
* | Each of the certificates of deposit held by the Company has a CUSIP, was purchased in the secondary market through a broker and may be sold in the secondary market.
Proceeds from maturities and sales of debt securities and redemptions of equity investments were $49.2 million, $21.2 million, and $26.2 million in fiscal 2023, fiscal 2022, and fiscal 2021, respectively. There were no realized gains or realized losses from sales of debt securities in fiscal 2023, fiscal 2022, and fiscal 2021. IDT CORPORATION NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued) The contractual maturities of the Company’s available-for-sale debt securities at July 31, 2023 were as follows: Schedule of Contractual Maturities of Available-for-sale Debt Securities
(in thousands) |  | Fair Value |
Within one year |  | $ | 35,176 |
After one year through five years |  |  | 6,019 |
After five years through ten years |  |  | 1,172 |
After ten years |  |  | 47 |
TOTAL |  | $ | 42,414 |
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
(in thousands) |  | Unrealized Losses |  |  | Fair Value |
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 |
July 31, 2022 |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 14 |  |  | $ | 1,986 |
U.S. Treasury bills and notes |  |  | 114 |  |  |  | 13,734 |
Corporate bonds |  |  | 416 |  |  |  | 3,514 |
Municipal bonds |  |  | 3 |  |  |  | 2,412 |
TOTAL |  | $ | 547 |  |  | $ | 21,646 |
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
(in thousands) |  | Unrealized Losses |  |  | Fair Value |
July 31, 2023 |  |  |  |  |  |  |  |
U.S. Treasury bills and notes |  | $ | 86 |  |  | $ | 816 |
Corporate bonds |  |  | 484 |  |  |  | 3,299 |
TOTAL |  | $ | 570 |  |  | $ | 4,115 |
July 31, 2022 |  |  |  |  |  |  |  |
U.S. Treasury bills and notes |  | $ | 72 |  |  | $ | 892 |
Corporate bonds |  |  | 234 |  |  |  | 1,731 |
TOTAL |  | $ | 306 |  |  | $ | 2,623 |
At July 31, 2023 and 2022, the Company did not intend to sell any of the debt securities included in the table above, and it is not more likely than not that the Company will be required to sell any of these securities before recovery of the unrealized losses, which may be at maturity. IDT CORPORATION NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

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