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Note 2 - Debt Securities (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
  

September 30, 2025

 
  

Amortized

  

Unrealized

  

Unrealized

  

Fair

 
  

Cost

  

Gains

  

Losses

  

Value

 

(Amounts in thousands)

                

U.S. Treasury securities

 $10,915  $5  $-  $10,920 

Municipal securities

  10,352   2   (25)  10,329 

Corporate notes

  24,877   -   (454)  24,423 

Agency mortgage-backed securities

  96,062   233   (10,653)  85,642 

Total

 $142,206  $240  $(11,132) $131,314 
  

December 31, 2024

 
  

Amortized

  

Unrealized

  

Unrealized

  

Fair

 
  

Cost

  

Gains

  

Losses

  

Value

 

(Amounts in thousands)

                

U.S. Treasury securities

 $55,760  $10  $(1) $55,769 

Municipal securities

  13,949   2   (114)  13,837 

Corporate notes

  28,598   -   (1,056)  27,542 

Agency mortgage-backed securities

  86,380   -   (13,679)  72,701 

Total

 $184,687  $12  $(14,850) $169,849 
Investments Classified by Contractual Maturity Date [Table Text Block]
  

September 30, 2025

 
  

Amortized

     

(Amounts in thousands)

 

Cost

  

Fair Value

 

Available-for-sale debt securities

        

Due within one year

 $19,591  $19,546 

Due after one year but within five years

  26,553   26,126 
   46,144   45,672 

Agency mortgage-backed securities

  96,062   85,642 

Total debt securities available-for-sale

 $142,206  $131,314 
Gain (Loss) on Securities [Table Text Block]
  

September 30, 2025

 
  

Less than 12 Months

  

12 Months or Longer

  

Total

 
  

Fair

  

Unrealized

  

Fair

  

Unrealized

  

Fair

  

Unrealized

 
  

Value

  

Losses

  

Value

  

Losses

  

Value

  

Losses

 

(Amounts in thousands)

                        

U.S. Treasury securities

 $-  $-  $-  $-  $-  $- 

Municipal securities

  694   (1)  4,748   (24)  5,442   (25)

Corporate notes

  -   -   24,423   (454)  24,423   (454)

Agency mortgage-backed securities

  1,994   (12)  67,149   (10,641)  69,143   (10,653)

Total

 $2,688  $(13) $96,320  $(11,119) $99,008  $(11,132)
  

December 31, 2024

 
  

Less than 12 Months

  

12 Months or Longer

  

Total

 
  

Fair

  

Unrealized

  

Fair

  

Unrealized

  

Fair

  

Unrealized

 
  

Value

  

Losses

  

Value

  

Losses

  

Value

  

Losses

 

(Amounts in thousands)

                        

U.S. Treasury securities

 $4,984  $(1) $-  $-  $4,984  $(1)

Municipal securities

  3,914   (16)  6,638   (98)  10,552   (114)

Corporate notes

 $-  $-   27,542   (1,056)  27,542   (1,056)

Agency mortgage-backed securities

  4,100   (81)  68,601   (13,598)  72,701   (13,679)

Total

 $12,998  $(98) $102,781  $(14,752) $115,779  $(14,850)