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Note 10 - Net Income (Loss) Per Common Share
 6 Months Ended
Feb. 28, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
10.
       NET INCOME (LOSS) PER COMMON SHARE
 
Basic net income (loss) per common share is computed by dividing net income (loss) by the weighted average number of common shares outstanding. Diluted net income per share assumes the exercise of stock options using the treasury stock method, if dilutive.
 
The following is a reconciliation of the earnings per share computation for the
three
and
six
months ended
February
28,
2017
and
February
29,
2016:
 
    Three Months Ended   Six Months Ended
Numerators:   February 28,
2017		   February
29, 2016		   February 28,
2017		   February
29, 2016
Net income (loss) attributable to NTIC   $
386,966
     $
(107,789
 )   $
684,605
     $
(342,140
 )
                                 
Denominators:                                
Basic – weighted shares outstanding    
4,525,091
      
4,537,429
      
4,527,555
      
4,536,995
  
Weighted shares assumed upon exercise of stock options    
36,933
      
—
      
31,930
      
—
  
Diluted – weighted shares outstanding    
4,562,024
      
4,537,429
      
4,559,485
      
4,536,995
  
Basic income (loss) per share:   $
0.09
     $
(0.02
 )   $
0.15
     $
(0.08
 )
Diluted income (loss) per share:   $
0.09
     $
(0.02
 )   $
0.15
     $
(0.08
 )
 
The dilutive impact summarized above relates to the periods when the average market price of the Company’s common stock exceeded the exercise price of the potentially dilutive option securities granted. Earnings per common share were based on the weighted average number of common shares outstanding during the periods when computing the basic earnings per share. When dilutive, stock options are included as equivalents using the treasury stock market method when computing the diluted earnings per share. There were
275,791
options outstanding as of
February
28,
2017
that were dilutive.
 
Excluded from the computation of diluted income per share for the
three
and
six
months ended
February
28,
2017
were options outstanding to purchase
48,067
shares of common stock. Excluded from the computation of diluted earnings per share for the
three
months ended
February
29,
2016
were all options outstanding to purchase
283,181
shares of common stock, due to the Company’s net loss in the period.