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Note 6 - Comprehensive Income (Tables)
3 Months Ended
Jul. 31, 2020
Notes Tables  
Comprehensive Income (Loss) [Table Text Block]
($ in thousands)
 
Amount Before Tax
   
Tax Expense
   
Amount Net of Tax
 
Change in unrealized gains on securities
  $
946
    $
(247
)   $
699
 
Less: Gains realized in net income
   
(783
)    
204
     
(579
)
    $
163
    $
(43
)   $
120
 
($ in thousands)
 
Amount Before Tax
   
Tax Expense
   
Amount Net of Tax
 
Change in unrealized gains on securities
  $
109
    $
(23
)   $
86
 
    $
109
    $
(23
)   $
86