Annual report pursuant to Section 13 and 15(d)

Note 3 - Investments (Tables)

v3.23.3
Note 3 - Investments (Tables)
 12 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
   

September 30, 2023

  

(In thousands)

  

Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

  

Short-Term

                                

U.S. treasury securities

   $ 122,534     $ -     $ 143     $ 122,391  

Certificates of deposit

     8,014       -       119       7,895  

Investment securities – short-term

   $ 130,548     $ -     $ 262     $ 130,286  

Long-Term

                                

U.S treasury securities

   $ 6,719     $ -     $ 596     $ 6,123  

Certificates of deposit

     248       -       28       220  

Investment securities – long-term

   $ 6,967     $ -     $ 624     $ 6,343  
   

September 30, 2022

  

(In thousands)

  

Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

  

Short-Term

                                

Certificates of deposit

   $ 5,945     $ -     $ 143     $ 5,802  

Investment securities – short-term

   $ 5,945     $ -     $ 143     $ 5,802  

Long-Term

                                

U.S treasury securities

   $ 16,178     $ -     $ 1,085     $ 15,093  

Certificates of deposit

     8,016       -       362       7,654  

Investment securities – long-term

   $ 24,194     $ -     $ 1,447     $ 22,747  
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

   $ 112,908     $ 131     $ 15,606     $ 608  

Certificates of deposit

     245       -       7,870       147  

Investment securities

   $ 113,153     $ 131     $ 23,476     $ 755  
   

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

   $ -     $ -     $ 15,093     $ 1,085  

Certificates of deposit

     6,345       176       7,111       329  

Investment securities

   $ 6,345     $ 176     $ 22,204     $ 1,414