Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Investments (Tables)

v3.23.1
Note 4 - Investments (Tables)
 3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
   

March 31, 2023

  

(In thousands)

  

Cost

    

Unrealized Gains

    

Unrealized Losses

    

Fair Value

  
Short-Term                                

U.S. Treasury securities

   $ 9,496     $ -     $ 259     $ 9,237  

Certificates of deposit

     10,995       -       248       10,747  

Investment securities – short-term

   $ 20,491     $ -     $ 507     $ 19,984  
Long-Term                                

U.S Treasury securities

   $ 6,702     $ -     $ 539     $ 6,163  

Certificates of deposit

     2,469       1       105       2,364  

Investment securities – long-term

   $ 9,171     $ 1     $ 644     $ 8,527  
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

   $ -     $ -     $ 15,433     $ 798  

Certificates of deposit

     2,017       43       10,849       310  

Investment securities

   $ 2,017     $ 43     $ 26,282     $ 1,108