Shareholders' Equity (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jul. 28, 2012
Stock option (incentive and nonqualified) activity
Shares Outstanding at January 28, 2012	2,990,501
Weighted-Average Exercise Price Outstanding at January 28, 2012	$ 6.61
Granted Shares	20,500
Granted Weighted-Average Exercise Price	$ 1.71
Exercised Shares
Exercised Weighted-Average Exercise Price
Forfeited or expired Shares	(315,414)
Forfeited or Expired Share Weighted-Average Exercise Price	$ 12.86
Share Outstanding at July 28, 2012	2,695,587
Weighted-Average Exercise Price Outstanding at July 28, 2012	$ 5.85
Outstanding at July 28, 2012 Weighted-Average Remaining Contractual Term	4 years
Outstanding at July 28,2012 Aggregate Intrinsic Value	$ 178
Share, Vested and expected to vest at July 28, 2012	2,512,390
Vested and expected to vest at July 28, 2012 Weighted-Average Exercise Price	$ 6.01
Vested and expected to vest at July 28, 2012 Weighted-Average Remaining Contractual Term	4 years
Vested and expected to vest at July 28, 2012 Aggregate Intrinsic Value	169
Share Exercisable at July 28, 2012	1,346,857
Exercisable at July 28, 2012 Weighted-Average Exercise Price	$ 7.83
Exercisable at July 28, 2012 Weighted-Average Remaining Contractual Term	3 years 4 months 24 days
Exercisable at July 28, 2012 Aggregate Intrinsic Value	$ 143