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Share-Based Compensation (Tables)
 9 Months Ended
Oct. 28, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of Stock Option Activity for Both Employees and Non-employees

A summary of stock option activity for both employees and non-employees for the nine months ended October 28, 2017 is as follows:

 

 

 

Stock Options

 

 

Weighted Average Exercise Price

 

 

Weighted Average Remaining Contractual Term (years)

 

 

Aggregate Intrinsic Value

(in thousands)

 

Outstanding at January 28, 2017

 

 

225,812

 

 

$

45.27

 

 

 

8.9

 

 

$

—

 

Granted

 

 

17,150

 

 

$

10.36

 

 

 

 

 

 

 

 

 

Exercised

 

 

—

 

 

$

—

 

 

 

 

 

 

 

 

 

Forfeited or expired

 

 

(70,323

)

 

$

42.76

 

 

 

 

 

 

 

 

 

Outstanding at October 28, 2017

 

 

172,639

 

 

$

42.83

 

 

 

8.3

 

 

$

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and exercisable at October 28, 2017

 

 

71,575

 

 

$

44.77

 

 

 

8.1

 

 

$

—

 

 
Schedule of Restricted Stock Units Activity

A summary of restricted stock unit activity for the nine months ended October 28, 2017 is as follows:

 

 

 

Restricted Stock Units

 

 

Weighted Average Grant Date Fair Value

 

Nonvested restricted stock units at January 28, 2017

 

 

10,771

 

 

$

65.52

 

Granted

 

 

7,500

 

 

$

6.00

 

Vested

 

 

(2,743

)

 

$

71.03

 

Forfeited

 

 

(882

)

 

$

59.80

 

Nonvested restricted stock units at October 28, 2017

 

 

14,646

 

 

$

34.35