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Net Income (Loss) Per Common Share
 3 Months Ended
May 04, 2013
Earnings Per Share [Abstract]  
Net income (loss) per common share
Net Income (Loss) Per Common Share 
Basic net income (loss) per common share is computed by dividing net income (loss) by the weighted average number of common shares outstanding during the period. Diluted net income per common share is computed by dividing net income by the combination of other potentially dilutive common shares and the weighted average number of common shares outstanding during the period. Other potentially dilutive weighted average common shares include the dilutive effect of shares of Series A Preferred Stock, stock options, restricted stock units ("RSUs") and shares to be purchased under our Employee Stock Purchase Plan ("ESPP") for each period using the treasury stock method. Under the treasury stock method, the exercise price of a share, the amount of compensation expense, if any, for future service that has not yet been recognized, and the amount of excess tax benefits, if any, that would be recorded in additional paid-in-capital when the share is exercised are assumed to be used to repurchase shares in the current period.
The following table sets forth the computation of basic and diluted net loss per common share (retroactively adjusted to reflect the Reverse Stock Split):
 
Three Months Ended
 
May 4,
2013

April 28,
2012
 
(in thousands, except per share amounts)
Net loss
$
(19,355
)
 
$
(23,760
)
Weighted average common shares outstanding during the period (for basic calculation)
30,538

 
30,428

Dilutive effect of other potential common shares
—

 
—

Weighted average common shares and potential common shares (for diluted calculation)
30,538

 
30,428

Net loss per common share—Basic
$
(0.63
)
 
$
(0.78
)
Net loss per common share—Diluted
$
(0.63
)
 
$
(0.78
)

During the three months ended May 4, 2013 and April 28, 2012, 2.1 million and 1.6 million, respectively, of stock options, RSUs and shares to be purchased under our ESPP were outstanding but were excluded from the computation of diluted net loss per share because the effect would be antidilutive. The conversion rights available to outstanding shares of Series A Preferred Stock were also excluded from the computation of diluted net loss per share because the effect would be antidilutive.