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Note 6 - Net Income Per Share (Tables)
9 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three
M
onths
E
nded
December 31
,
 
 
Nine
M
onths
E
nded
December 31
,
 
 
 
2015
 
 
201
4
 
 
2015
 
 
2014
 
Net income available for shareholders
  $ 2,361     $ 2,403     $ 6,419     $ 7,344  
Weighted average outstanding shares of common stock
    3,614       3,532       3,596       3,513  
Dilutive effect of stock options
    141       122       133       136  
Common stock and equivalents
    3,755       3,654       3,729       3,649  
                                 
Net income per share:
                               
Basic
  $ 0.65     $ 0.68     $ 1.79     $ 2.09  
Diluted
    0.63       0.66       1.72       2.01