Condensed Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Apr. 28, 2012	Apr. 30, 2011
OPERATING ACTIVITIES:
Net loss	$ (8,739,000)	$ (28,930,000)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Depreciation and amortization	3,478,000	3,051,000
Share-based payment compensation	991,000	697,000
Amortization of deferred revenue	(22,000)	(183,000)
Amortization of debt discount	0	575,000
Amortization of deferred finance costs	47,000	152,000
Asset impairments and write-offs	2,306,000	0
Debt extinguishment	500,000	25,679,000
Gain on the disposal of equipment	0	(336,000)
Changes in operating assets and liabilities:
Accounts receivable, net	8,529,000	5,006,000
Inventories, net	8,661,000	(2,415,000)
Prepaid expenses and other	82,000	266,000
Accounts payable and accrued liabilities	(16,675,000)	(14,274,000)
Accrued dividends payable — Series B Preferred Stock	0	1,069,000
Net cash provided by (used for) operating activities	(842,000)	(9,643,000)
INVESTING ACTIVITIES:
Property and equipment additions	(1,655,000)	(2,800,000)
Proceeds from disposal of equipment	0	336,000
Net cash used for investing activities	(1,655,000)	(2,464,000)
FINANCING ACTIVITIES:
Payment for Series B Preferred stock redemption	0	(40,853,000)
Payment for Series B Preferred stock dividend	0	(8,915,000)
Payments for deferred issuance costs	(430,000)	(34,000)
Proceeds from Issuance of Long-term Debt	38,215,000	0
Repayments of Long-term Debt	(25,715,000)	0
Proceeds from exercise of stock options	1,000	262,000
Procceeds from issuance of common stock, net	0	55,500,000
Net cash provided by (used for) financing activities	12,071,000	5,960,000
Net increase (decrease) in cash and cash equivalents	9,574,000	(6,147,000)
BEGINNING CASH AND CASH EQUIVALENTS	32,957,000	46,471,000
ENDING CASH AND CASH EQUIVALENTS	42,531,000	40,324,000
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	1,025,000	1,204,000
Income taxes paid	27,000	21,000
SUPPLEMENTAL NON CASH INVESTING AND FINANCING ACTIVITIES:
Property and equipment purchases included in accounts payable	37,000	138,000
Deferred financing costs included in accrued liabilities	$ 9,000	$ 0