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Investments in Debt Securities | 9 Months Ended
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Mar. 31, 2026
Investments in Debt Securities |
Investments in Debt Securities | 6. Investments in Debt Securities Investments in debt securities consist of AA and A rated government issued treasury bills, treasury notes, government sponsored discount notes, and certificates of deposits bearing interest at rates from 3.55% to 4.625% with maturities from June 2026 to March 2027. The components of investments in debt securities are as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | June 30,
​ | ​ | 2026 | ​ | 2025
Adjusted cost | ​ | $ | 27,187 | ​ | $ | —
Gross unrealized losses | ​ | ​ | (21) | ​ | ​ | —
Fair value | ​ | $ | 27,166 | ​ | $ | —
​ The fair value of available-for-sale debt securities, by contractual maturity, as of March 31, 2026, was as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | June 30,
​ | ​ | 2026 | ​ | 2025
Due in one year or less | ​ | $ | 27,166 | ​ | $ | —
​ Net accretion of discounts on the debt securities purchased amounted to approximately $71,000 and $159,000 for the three and nine months ended March 31, 2026, respectively. There was no amortization of premiums or accretion of discounts for three and nine months ended March 31, 2025. There were no credit losses or impairment on available-for-sale debt securities recognized for the three and nine months ended March 31, 2026 or the year ended June 30, 2025. See Note 3 - Summary of Significant Accounting Policies for additional information.

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