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Note 4 - Net Income Per Share
3 Months Ended
Jun. 30, 2019
Notes to Financial Statements  
Earnings Per Share [Text Block]

NOTE
4.
NET INCOME PER SHARE
Net income per basic share is computed based on the weighted-average number of common shares issued and outstanding during each period. Net income per diluted share amounts assume exercise of all stock options. The following tables show the components of diluted shares:
 
   
Quarter Ended June 30
 
   
2019
   
2018
 
Weighted average common shares outstanding – basic
   
4,846,010
     
4,842,010
 
Dilutive effect of stock options
   
4,378
     
8,469
 
Shares used in computing net income per share – diluted
   
4,850,388
     
4,850,479