Benefit Plans (Details) - Schedule of Share-based Compensation, Stock authorized under stock option plan (USD $)	12 Months Ended
	Feb. 01, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Shares (in Shares)	2,907,190
Outstanding Average Remaining Life	2 years 328 days
Outstanding Weighted Average Exercise Price	$ 8.07
Outstanding Average Intrinsic Value (in Dollars)	$ 831,171
Exercisable Shares (in Shares)	2,298,440
Exercisable Weighted Average Exercise Price	$ 9.40
Exercisable Aggregate Intrinsic Value (in Dollars)	154,094,000
Range1 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Minimum	$ 0.00
Exercise Price Range Maximum	$ 2.66
Outstanding Shares (in Shares)	445,000
Outstanding Average Remaining Life	7 years
Outstanding Weighted Average Exercise Price	$ 2.09
Outstanding Average Intrinsic Value (in Dollars)	831,171
Exercisable Shares (in Shares)	82,500
Exercisable Weighted Average Exercise Price	$ 2.08
Exercisable Aggregate Intrinsic Value (in Dollars)	$ 154,094,000
Range 2 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Minimum	$ 2.67
Exercise Price Range Maximum	$ 5.33
Outstanding Shares (in Shares)	857,525
Outstanding Average Remaining Life	4 years 109 days
Outstanding Weighted Average Exercise Price	$ 5.06
Exercisable Shares (in Shares)	611,275
Exercisable Weighted Average Exercise Price	$ 5.30
Range 3 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Minimum	$ 5.34
Exercise Price Range Maximum	$ 8.00
Outstanding Shares (in Shares)	204,800
Outstanding Average Remaining Life	3 years 73 days
Outstanding Weighted Average Exercise Price	$ 5.58
Exercisable Shares (in Shares)	204,800
Exercisable Weighted Average Exercise Price	$ 5.58
Range 4 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Minimum	$ 8.01
Exercise Price Range Maximum	$ 10.67
Outstanding Shares (in Shares)	749,950
Outstanding Average Remaining Life	73 days
Outstanding Weighted Average Exercise Price	$ 10.31
Exercisable Shares (in Shares)	749,950
Exercisable Weighted Average Exercise Price	$ 10.31
Range 5 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Minimum	$ 10.68
Exercise Price Range Maximum	$ 13.33
Range 6 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range Minimum	$ 13.34
Exercise Price Range Maximum	$ 16.00
Outstanding Shares (in Shares)	649,915
Outstanding Average Remaining Life	1 year 73 days
Outstanding Weighted Average Exercise Price	$ 14.32
Exercisable Shares (in Shares)	649,915
Exercisable Weighted Average Exercise Price	$ 14.32