Consolidated Statement of Shareholders' Equity - 9 months ended Oct. 28, 2017 - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit
Common Stock, Shares, Outstanding period beginning at Jan. 28, 2017	65,192,314	65,192,314.000
Total Shareholders' Equity period beginning at Jan. 28, 2017	$ 81,703,000	$ 652,000	$ 436,962,000	$ (355,911,000)
Net loss	(6,290,000)	$ 0	0	(6,290,000)
Repurchases of common stock, Shares		(4,400,000)
Repurchases of common stock, Value	(5,055,000)	$ (44,000)	(5,011,000)	0
Common stock issuances pursuant to equity compensation plans, Shares		360,644
Common stock issuances pursuant to equity compensation plans, Value	11,000	$ 4,000	7,000	0
Share-based payment compensation, Shares		0
Share-based payment compensation, Value	2,057,000	$ 0	2,057,000	0
Common stock and warrant issuance, Shares		4,108,273
Common stock and warrant issuance, Value	$ 4,283,000	$ 41,000	4,242,000	0
Common Stock, Shares, Outstanding period end at Oct. 28, 2017	65,261,231	65,261,231.000
Total Shareholders' Equity period end at Oct. 28, 2017	$ 76,709,000	$ 653,000	$ 438,257,000	$ (362,201,000)