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Quarterly Results (Unaudited) (Tables)
 12 Months Ended
Jan. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Schedule of quarterly results
The Company’s quarterly results for the years ended January 31, 2014 and 2013, as adjusted, are summarized as follows (in thousands, except per share data):
 
Q1
 
Q2
 
Q3
 
Q4
Year ended January 31, 2014
 
 
 
 
 
 
 
Net sales
$
19,890

 
$
56,933

 
$
59,454

 
$
19,643

Gross profit
6,409

 
21,586

 
21,161

 
4,276

Net (loss) income
(4,447
)
 
6,210

 
3,408

 
(6,901
)
Per common share
 
 
 
 
 
 
 
Net (loss) income (a)
 
 
 
 
 
 
 
Basic
$
(0.31
)
 
$
0.43

 
$
0.23

 
$
(0.47
)
Assuming dilution
(0.31
)
 
0.42

 
0.23

 
(0.47
)
Year ended January 31, 2013
 
 
 
 
 
 
 
Net sales
$
23,668

 
$
60,392

 
$
56,642

 
$
18,154

Gross profit
6,967

 
22,867

 
19,318

 
2,400

Net (loss) income
(4,833
)
 
7,053

 
2,908

 
(8,958
)
Per common share
 
 
 
 
 
 
 
Net (loss) income (a)
 
 
 
 
 
 
 
Basic
$
(0.34
)
 
$
0.49

 
$
0.20

 
$
(0.62
)
Assuming dilution
(0.34
)
 
0.49

 
0.20

 
(0.62
)
 ______________________________
(a)
Net loss per share was calculated based on basic shares outstanding due to the anti-dilutive effect on the inclusion of common stock equivalent shares.