XML 70 R27.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 9 - Net Income Per Common Share (Tables)
3 Months Ended
Nov. 30, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
 
Numerator:
 
November 30, 2014
   
November 30, 2013
 
Net income attributable to NTIC
  $ 1,008,265     $ 858,586  
                 
Denominator:
               
Basic – weighted shares outstanding
    4,518,973       4,434,770  
Weighted shares assumed upon exercise of stock options
    140,648       117,899  
Diluted – weighted shares outstanding
    4,659,621       4,552,669  
Basic earnings per share:
  $ 0.22     $ 0.19  
Diluted earnings per share:
  $ 0.22     $ 0.19