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Note 7 - Income Tax (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   
For the Years Ended December 31,
 
   
2019
   
2018
 
Federal
               
Current
  $
1,765,556
    $
1,182,914
 
Deferred
   
(605,928
)    
(36,695
)
State
               
Current
   
     
 
Deferred
   
     
 
Change in valuation allowance
   
570,444
     
36,695
 
Income tax provision
  $
1,730,072
    $
1,182,914
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
   
For the Years Ended December 31,
 
   
2019
   
2018
 
Statutory federal income tax rate
   
21.0
%    
21.0
%
State taxes, net of federal tax benefit
   
0.0
%    
0.0
%
Deferred tax rate change
   
0.0
%    
0.0
%
Change in valuation allowance
   
10.4
%    
0.7
%
Income tax provision
   
31.4
%    
21.7
%