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QUARTERLY INFORMATION (Unaudited)
 12 Months Ended
Jan. 31, 2015
QUARTERLY INFORMATION (Unaudited) [Abstract]  
QUARTERLY INFORMATION (Unaudited)
13. QUARTERLY INFORMATION (Unaudited)

  
Quarters Ended
 
  
April 30
  
July 31
  
Oct. 31
  
Jan. 31
 
  
(in thousands, except per share data)
 
Fiscal 2015
        
Total revenue
 
$
68,485
  
$
73,050
  
$
74,004
  
$
79,562
 
Total costs and expenses
  
68,187
   
70,986
   
68,115
   
71,828
 
Gross margin
  
37,054
   
39,831
   
40,933
   
45,653
 
Operating income
  
298
   
2,064
   
5,889
   
7,734
 
Net (loss) income
  
(76
)
  
985
   
5,090
   
6,947
 
Basic net (loss) income per share
                
Class A
 
$
(0.01
)
 
$
0.06
  
$
0.33
  
$
0.44
 
Class B
  
(0.00
)
  
0.05
   
0.27
   
0.37
 
Diluted net (loss) income per share
                
Class A
 
$
(0.01
)
 $
0.06
  $
0.31
  $
0.42
 
Class B
  
(0.00
)
  
0.05
   
0.27
   
0.36
 
Fiscal 2014
                
Total revenue
 
$
61,927
  
$
65,194
  
$
65,660
  
$
73,530
 
Total costs and expenses
  
63,648
   
63,704
   
61,859
   
67,697
 
Gross margin
  
33,302
   
36,417
   
36,755
   
42,831
 
Operating (loss) income
  
(1,721
)
  
1,490
   
3,801
   
5,833
 
Net ( loss) income
  
(1,263
)
  
1,254
   
2,049
   
4,346
 
Basic net ( loss) income per share
                
Class A
 
$
(0.08
)
 
$
0.08
  
$
0.14
  
$
0.29
 
Class B
  
(0.07
)
  
0.07
   
0.11
   
0.24
 
Diluted net (loss)  income per share
                
Class A
 
$
(0.08
)
 
$
0.08
  
$
0.13
  
$
0.27
 
Class B
  
(0.07
)
  
0.07
   
0.11
   
0.23