Condensed Consolidated Statement of Shareholders' Equity (USD $)	Total	Common Stock [Member]	Warrant [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit
Total Shareholders' Equity period beginning at Jan. 28, 2012	$ 101,589,000	$ 486,000	$ 567,000	$ 403,849,000	$ (303,313,000)
Common Stock, Shares, Outstanding period beginning at Jan. 28, 2012	48,560,205	48,560,205
Net loss	(12,584,000)	0	0	0	(12,584,000)
Common stock issuances pursuant to equity compensation plans, Shares		364,816
Common stock issuances pursuant to equity compensation plans, Value	69,000	3,000	0	66,000	0
Share-based compensation		0
Share-based compensation	1,677,000	0	0	1,677,000	0
Total Shareholders' Equity period end at Jul. 28, 2012	$ 90,751,000	$ 489,000	$ 567,000	$ 405,592,000	$ (315,897,000)
Common Stock, Shares, Outstanding period end at Jul. 28, 2012	48,925,021	48,925,021