Summary of Significant Accounting Policies (Details 5) (USD $)	3 Months Ended			12 Months Ended	3 Months Ended
	May 04, 2013	Apr. 28, 2012	May 04, 2013 Stock Options	Feb. 02, 2013 Stock Options	May 04, 2013 Restricted Stock and Performance Stock Units	Apr. 28, 2012 Restricted Stock and Performance Stock Units	Feb. 01, 2013 Restricted Stock and Performance Stock Units
Shares
Outstanding at the beginning of the period (in shares)			1,075,000
Granted (in shares)			45,000
Canceled/forfeited (in shares)			(45,001)
Outstanding at the end of the period (in shares)			1,074,999	1,075,000
Vested and Exercisable at the end of the period (in shares)			599,655
Non-vested and not exercisable at the end of the period (in shares)			475,344
Weighted Average Price
Outstanding at the beginning of the period (in dollars per share)			$ 16.37
Granted (in dollars per share)			$ 14.18
Canceled/forfeited (in dollars per share)			$ 13.74
Outstanding at the end of the period (in dollars per share)			$ 16.39	$ 16.37
Vested and Exercisable at the end of the period (in dollars per share)			$ 17.34
Non-vested and not exercisable at the end of the period (in dollars per share)			$ 15.19
Weighted Average Remaining Contractual Term (in years)
Outstanding			4 years 3 months 4 days	4 years 5 months 26 days
Vested and Exercisable at the end of the period			3 years 6 months
Non-vested and not exercisable at the end of the period			5 years 2 months 19 days
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)			$ 204,820	$ 424,830
Vested and Exercisable at the end of the period (in dollars)			60,838
Non-vested and not exercisable at the end of the period (in dollars)			143,982
Unrecognized stock-based compensation
Unrecognized stock-based compensation expense (in dollars)			1,594,604		200,000
Weighted average period for recognition of unrecognized stock-based compensation expense			2 years 4 months 20 days		2 years 7 days
Total fair value of vested options (in dollars)			270,124
Compensation expense (in dollars)	$ 170,000	$ 230,000			$ 10,000	$ 0
Closing share price (in dollars per share)							$ 13.95
Target rate of returns (as a percent)					10.00%
Target share price at end of fiscal year 2014 (in dollars per share)					$ 15.35
Target share price at end of fiscal year 2015 (in dollars per share)					$ 16.88
Target share price at end of fiscal year 2016 (in dollars per share)					$ 18.57
Award vesting percentage					33.33%
Number of Shares
Unvested stock at the beginning of the period (in shares)					7,500
Granted (in shares)					39,000
Unvested stock at the end of the period (in shares)					46,500
Weighted Average Grant-Date Fair Value
Unvested stock at the beginning of the period (in dollars per share)					$ 13.27
Granted (in dollars per share)					$ 3.80
Unvested stock at the end of the period (in dollars per share)					$ 5.33