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Note 8 - Federal, State and Local Income Taxes (Tables)
9 Months Ended
Jan. 31, 2020
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   
Three Months Ended January 31,
   
Nine Months Ended January 31,
 
($ in thousands)
 
2020
   
2019
   
2020
   
2019
 
Current tax expense:
                               
Federal
  $
1,347
    $
513
    $
3,480
    $
2,118
 
State and local
   
300
     
173
     
915
     
333
 
Current tax expense
   
1,647
     
686
     
4,395
     
2,451
 
Deferred tax expense (benefit):
                               
Federal
   
154
     
429
     
100
     
434
 
State and local
   
(2
)    
197
     
270
     
(57
)
Deferred tax expense (benefit):
   
152
     
626
     
370
     
377
 
Income tax provision
  $
1,799
    $
1,312
    $
4,765
    $
2,828
 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
   
January 31,
   
April 30,
 
($ in thousands)
 
2020
   
2019
 
Federal tax liability (benefit):
               
Deferred gain on deconsolidation of EAM
  $
10,669
    $
10,669
 
Deferred non-cash post-employment compensation
   
(372
)    
(372
)
Depreciation and amortization
   
108
     
130
 
Unrealized gain on securities held for sale
   
570
     
446
 
Deferred charges
   
(333
)    
(354
)
Other
   
(58
)    
(279
)
Total federal tax liability
   
10,584
     
10,240
 
                 
State and local tax liabilities (benefits):
               
Deferred gain on deconsolidation of EAM
   
2,676
     
2,530
 
Deferred non-cash post-employment compensation
   
(93
)    
(74
)
Depreciation and amortization
   
27
     
40
 
Unrealized gain on securities held for sale
   
143
     
-
 
Other
   
(84
)    
(112
)
Total state and local tax liabilities
   
2,669
     
2,384
 
Deferred tax liability, long-term
  $
13,253
    $
12,624
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
Nine Months Ended January 31,
 
   
2020
   
2019
 
U.S. statutory federal tax rate
   
21.00
%    
21.00
%
Increase (decrease) in tax rate from:
               
State and local income taxes, net of federal income tax benefit
   
6.20
%    
3.45
%
Effect of dividends received deductions
   
(0.20
%)    
(0.25
%)
Other, net
   
0.05
%    
-
 
Effective income tax rate
   
27.05
%    
24.20
%