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Note 5 - Investment Securities (Tables)
9 Months Ended
Mar. 31, 2022
Notes Tables  
Debt Securities Available for Sale and Held to Maturity [Table Text Block]
      

Gross

  

Gross

     
  

Amortized

  

Unrealized

  

Unrealized

  

Fair

 
  

Cost

  

Gains

  

Losses

  

Value

 
  

(Dollars in Thousands)

 

March 31, 2022

                

AVAILABLE FOR SALE

                

U.S. government agency securities

 $3,198  $-  $(151) $3,047 

Corporate debt securities

  98,551   157   (623)  98,085 

Foreign debt securities​​1

  33,656   44   (226)  33,474 

Obligations of states and political subdivisions

  721   -   (40)  681 

Total

 $136,126  $201  $(1,040) $135,287 
      

Gross

  

Gross

     
  

Amortized

  

Unrealized

  

Unrealized

  

Fair

 
  

Cost

  

Gains

  

Losses

  

Value

 
  

(Dollars in Thousands)

 

March 31, 2022

                

HELD TO MATURITY

                

U.S. government agency securities

 $7,749  $-  $(437) $7,312 

Obligations of states and political subdivisions

  2,205   28   -   2,233 

Total

 $9,954  $28  $(437) $9,545 
      

Gross

  

Gross

     
  

Amortized

  

Unrealized

  

Unrealized

  

Fair

 
  

Cost

  

Gains

  

Losses

  

Value

 
  

(Dollars in Thousands)

 

June 30, 2021

                

AVAILABLE FOR SALE

                

U.S. government agency securities

 $3,215  $-  $(1) $3,214 

Corporate debt securities

  109,501   546   (7)  110,040 

Foreign debt securities​1

  37,440   179   (21)  37,598 

Obligations of states and political subdivisions

  730   -   (5)  725 

Total

 $150,886  $725  $(34) $151,577 
      

Gross

  

Gross

     
  

Amortized

  

Unrealized

  

Unrealized

  

Fair

 
  

Cost

  

Gains

  

Losses

  

Value

 
  

(Dollars in Thousands)

 

June 30, 2021

                

HELD TO MATURITY

                

U.S. government agency securities

 $12,744  $5  $-  $12,749 

Obligations of states and political subdivisions

  2,745   98   -   2,843 

Total

 $15,489  $103  $-  $15,592 
Investments Classified by Contractual Maturity Date [Table Text Block]
  

Due in one year or less

  

Due after one through five years

  

Due after five through ten years

  

Due after ten years

  

Total

 
  

(Dollars in Thousands)

 

AVAILABLE FOR SALE

                    

Amortized cost

 $61,935  $73,723  $468  $-  $136,126 

Fair value

  61,835   73,016   436   -   135,287 

HELD TO MATURITY

                    

Amortized cost

 $1,185  $1,020  $7,749  $-  $9,954 

Fair value

  1,198   1,035   7,312   -   9,545