Quarterly report pursuant to Section 13 or 15(d)

Investments in Debt Securities

v3.22.4
Investments in Debt Securities
6 Months Ended
Dec. 31, 2022
Investments in Debt and Equity Securities [Abstract]  
Investments in Debt Securities

8.   Investments in Debt Securities

Investments in debt securities consist of AA and A rated corporate bonds bearing interest at rates from 0.35% to 4.7% with maturities from February 2023 to February 2024. The components of investments in debt securities are as follows (in thousands):

December 31, 

June 30,

2022

2022

Adjusted cost

$

6,067

$

11,029

Gross unrealized losses

(138)

(184)

Fair value

$

5,929

$

10,845

The fair value of available-for-sale debt securities, by contractual maturity, was as follows (in thousands):

December 31, 

June 30

Fiscal period ending:

2022

2022

2023

$

3,667

$

8,054

2024

2,262

2,791

$

5,929

$

10,845

Amortization of premiums paid on the debt securities amounted to $26,000 and $93,000 for the three months ended December 31, 2022 and 2021, respectively, and $62,000 and $195,000 for the six months ended December 31, 2022 and 2021, respectively.