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Note 4 - Net Income Per Share
6 Months Ended
Sep. 30, 2015
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 conversion, exercise or issuance of all potential common stock instruments (stock options and warrants). Stock options totaling 4,000 for the quarter and six months ended September 30, 2015 and 4,000 for the quarter and six months ended September 30, 2014 were not included in the computation of diluted earnings per share because the exercise prices were greater than the market price of the common stock. The following table reflects the components of common shares outstanding:
 
 
 
Quarter Ended Sept. 30
 
 
 
2015
 
 
2014
 
Weighted average common shares outstanding – basic
    4,855,398       4,855,071  
Dilutive effect of stock options
    2,735       16,958  
Shares used in computing net income per share – diluted
    4,858,133       4,872,029  
 
 
 
Six Months Ended Sept. 30
 
 
 
2015
 
 
2014
 
Weighted average common shares outstanding – basic
    4,858,557       4,853,068  
Dilutive effect of stock options
    3,874       15,701  
Shares used in computing net income per share – diluted
    4,862,431       4,868,769