XML 52 R39.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 12 - Computation of Earnings Per Share (Tables)
 12 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Year Ended March 31,
 
 
 
2017
 
 
2016
 
 
2015
 
Net income
   $
21,348
     $
14,741
     $
23,740
  
Weighted average shares - basic
    
31,544
      
31,579
      
31,531
  
Weighted average shares - diluted
    
32,248
      
32,381
      
32,239
  
Net income per share - basic
   $
0.68
     $
0.47
     $
0.75
  
Net income per share - diluted
   $
0.66
     $
0.46
     $
0.74