Quarterly report pursuant to Section 13 or 15(d)

Net (Loss) Income Per Share - Schedule of Earnings Per Share, Basic and Diluted (Detail)

v2.4.0.8
Net (Loss) Income Per Share - Schedule of Earnings Per Share, Basic and Diluted (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Oct. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net (loss) income from continuing operations $ (6,195) $ 798 $ (21,349) $ (879)
Net (loss) income from discontinued operations (114) (221) 5 (744)
Net (loss) income $ (6,309) $ 577 $ (21,344) $ (1,623)
Weighted average shares used in computing net (loss) income per share - basic 32,628 32,813 32,805 32,636
Effect of dilutive shares:        
Dilutive potential common shares   782    
Weighted average shares used in computing net (loss) income per share - diluted 32,628 33,595 32,805 32,636
Net (loss) income per share - basic:        
(Loss) income from continuing operations $ (0.19) $ 0.02 $ (0.65) $ (0.03)
(Loss) income from discontinued operations $ 0.00 $ 0.00 $ 0.00 $ (0.02)
Net (loss) income per share - basic $ (0.19) $ 0.02 $ (0.65) $ (0.05)
Net (loss) income per share - diluted:        
(Loss) income from continuing operations $ (0.19) $ 0.02 $ (0.65) $ (0.03)
(Loss) income from discontinued operations $ 0.00 $ 0.00 $ 0.00 $ (0.02)
Net (loss) income per share - diluted $ (0.19) $ 0.02 $ (0.65) $ (0.05)
Stock Options [Member]
       
Effect of dilutive shares:        
Dilutive potential common shares   376    
Restricted Stock Units [Member]
       
Effect of dilutive shares:        
Dilutive potential common shares   406