XML 68 R29.htm IDEA: XBRL DOCUMENT v3.20.1
Note 9 - Net Income Per Common Share (Tables)
 6 Months Ended
Feb. 29, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    Three Months Ended   Six Months Ended
Numerator:
  
February 29,
2020
  
February 28,
2019
  
February 29,
2020
  
February 28,
2019
Net income attributable to NTIC   $
179,834
     $
1,401,568
     $
1,392,384
     $
2,898,627
  
                                 
Denominator:
                                
Basic – weighted shares outstanding    
9,097,236
      
9,084,354
      
9,095,604
      
9,084,350
  
Weighted shares assumed upon exercise of stock options    
364,491
      
363,506
      
288,263
      
378,866
  
Diluted – weighted shares outstanding    
9,461,727
      
9,447,860
      
9,383,867
      
9,463,216
  
Basic net income per share:   $
0.02
     $
0.16
     $
0.15
     $
0.32
  
Diluted net income per share:   $
0.02
     $
0.15
     $
0.15
     $
0.31