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Note 4 - Net Income Per Share
9 Months Ended
Dec. 31, 2018
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 Dec. 31
 
   
2018
   
2017
 
Weighted average common shares outstanding – basic
   
4,845,010
     
4,841,369
 
Dilutive effect of stock options
   
5,497
     
5,921
 
Shares used in computing net income per share – diluted
   
4,850,507
     
4,847,290
 
 
   
Nine Months Ended Dec. 31
 
   
2018
   
2017
 
Weighted average common shares outstanding – basic
   
4,843,355
     
4,841,130
 
Dilutive effect of stock options
   
6,765
     
4,906
 
Shares used in computing net income per share – diluted
   
4,850,120
     
4,846,036