Quarterly report [Sections 13 or 15(d)]

Note 4 - Investments (Tables)

v3.25.2
Note 4 - Investments (Tables)
 9 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
   

June 30, 2025

  

(In thousands)

  

Amortized Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

  

Short-Term

                                

U.S. Treasury securities

  

$

 83,411    

$

 87    

$

 (140

)

  

$

 83,358  

Investment securities – short-term

  

$

 83,411    

$

 87    

$

 (140

)

  

$

 83,358  

Long-Term

                                

U.S. Treasury securities

  

$

 39,867    

$

 60    

$

 -    

$

 39,927  

Certificates of deposit

     248       -       (7

)

     241  

Investment securities – long-term

  

$

 40,115    

$

 60    

$

 (7

)

  

$

 40,168  
   

September 30, 2024

  

(In thousands)

  

Amortized Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

  

Short-Term

                                

U.S. Treasury securities

  

$

 113,987    

$

 382    

$

 (45

)

  

$

 114,324  

Certificates of deposit

     500       1       -       501  

Investment securities – short-term

  

$

 114,487    

$

 383    

$

 (45

)

  

$

 114,825  

Long-Term

                                

U.S Treasury securities

  

$

 24,514    

$

 -    

$

 (245

)

  

$

 24,269  

Certificates of deposit

     248       -       (12

)

     236  

Investment securities – long-term

  

$

 24,762    

$

 -    

$

 (257

)

  

$

 24,505  
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
   

In Unrealized Loss Position

For Less Than 12 Months

    

In Unrealized Loss Position

For Greater Than 12 Months

  

(In thousands)

  

Fair Value

    

Gross Unrealized Losses

    

Fair Value

    

Gross Unrealized Losses

  

U.S Treasury securities

  

$

 19,659    

$

 (29

)

  

$

 5,166    

$

 (111

)

Certificates of deposit

     -       -       241       (7

)

Investment securities

  

$

 19,659    

$

 (29

)

  

$

 5,407    

$

 (118

)
   

In Unrealized Loss Position

For Less Than 12 Months

    

In Unrealized Loss Position

For Greater Than 12 Months

  

(In thousands)

  

Fair Value

    

Gross Unrealized Losses

    

Fair Value

    

Gross Unrealized Losses

  

U.S Treasury securities

   $ 19,719     $ (39 )   $ 6,500     $ (250 )

Certificates of deposit

     -       -       236       (12 )

Investment securities

   $ 19,719     $ (39 )   $ 6,736     $ (262 )