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Note 13 - Earnings Per Common Share
 12 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
13
.
EARNINGS PER COMMON SHARE
 
The following table sets forth the computation of basic and diluted earnings per share.
 
   
201
7
    
201
6
    
201
5
  
Basic Income (Loss) Per Share
 
 
 
 
  
 
 
 
  
 
 
 
Income (Loss) available to common stockholders
   $
1,408,396
     $
4,632,848
     $
(122,377
 )
Shares denominator
    
2,874,926
      
1,943,625
      
1,638,215
  
Per share amount
   $
0.49
     $
2.38
     $
(0.07
 )
                         
Effect of Dilutive Securities
 
 
 
 
  
 
 
 
  
 
 
 
Average shares outstanding
    
2,874,926
      
1,943,625
      
1,638,215
  
Options
and warrants under convertible note
    
194,151
      
16,496
      
-
  
     
3,069,077
      
1,960,121
      
1,638,215
  
Diluted Income (Loss) Per Share
 
 
 
 
  
 
 
 
  
 
 
 
Income (Loss) available to common stockholders
   $
1,408,396
     $
4,632,848
     $
(122,377
 )
Per share amount
   $
0.46
     $
2.36
     $
(0.07
 )

Included in the computation of diluted earnings per share in fiscal
2017
and
2016
were options, warrants and underlying shares related to the convertible notes. 

Options and warrants to purchase
5,000
and
100,000
shares of common stock respectively during fiscal
2015
at prices ranging from
$2.50
to
$6.00
per share were outstanding but were
not
included in the computation of diluted earnings per share because the option's and warrant's effect was antidilutive or the exercise price was greater than the average market price of the common share.