Shareholders' Equity (Tables)

12 Months Ended

Jan. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Weighted-Average Assumptions for Determining Fair Value

	For the Fiscal Year Ended
	January 31, 2015		February 1, 2014		February 2, 2013
	Stock Options	ESPP	Stock Options	ESPP	Stock Options	ESPP
Expected life	NA	1 year	NA	1 year	4 years	0.5 years
Expected volatility	NA	60%	NA	63%	87% - 88%	71%
Risk-free interest rate	NA	0.1%	NA	0.1%	0.5% - 0.9%	0.1% - 0.2%
Expected dividends	NA	$—	NA	$—	$—	$—

Stock Option (Incentive and Nonqualified) Activity

	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Yrs.)	Aggregate Intrinsic Value ($000s)
Outstanding at February 1, 2014	2,209,379		$	5.11
Granted	—		—
Exercised	(1,500	)	1.64
Forfeited or expired	(294,652	)	11.66
Outstanding at January 31, 2015	1,913,227		$	4.11	1.76	$	135
Vested and expected to vest at January 31, 2015	1,911,749		$	4.11	1.75	$	134
Exercisable at January 31, 2015	1,881,808		$	4.13	1.72	$	123

Summary of Service-Based Restricted Stock Awards and Units Activity

	Shares		Weighted- Average Grant-Date Fair Value
Outstanding at February 1, 2014	1,319,571		$	2.13
Granted	255,000		1.90
Vested	(448,788	)	2.26
Forfeited	(161,782	)	2.23
Outstanding at January 31, 2015	964,001		$	1.99

	Shares		Weighted- Average Grant-Date Fair Value
Outstanding at February 1, 2014	122,480		$	3.47
Granted	150,000		2.25
Vested	(122,480	)	3.47
Forfeited	—		—
Outstanding at January 31, 2015	150,000		$	2.25