Consolidated Statement of Shareholders' Equity - 9 months ended Oct. 29, 2016 - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit
Common Stock, Shares, Outstanding period beginning at Jan. 30, 2016	57,170,245	57,170,245.000
Total Shareholders' Equity period beginning at Jan. 30, 2016	$ 76,979,000	$ 571,000	$ 423,574,000	$ (347,166,000)
Net income (loss)	(10,792,000)	$ 0	0	(10,792,000)
Common stock issuances pursuant to equity compensation plans, Shares		380,533
Common stock issuances pursuant to equity compensation plans, Value	(13,000)	$ 4,000	(17,000)	0
Share-based payment compensation, Shares		0
Share-based payment compensation, Value	1,432,000	$ 0	1,432,000	0
Common stock issuance, Shares		5,952,381
Common stock issuance, Value	$ 9,132,000	$ 60,000	9,072,000	0
Common Stock, Shares, Outstanding period end at Oct. 29, 2016	63,503,159	63,503,159.000
Total Shareholders' Equity period end at Oct. 29, 2016	$ 76,738,000	$ 635,000	$ 434,061,000	$ (357,958,000)