Consolidated Statements of Cash Flows (USD $) In Thousands	3 Months Ended
	Apr. 30, 2011	May 01, 2010
OPERATING ACTIVITIES:
Net loss	$ (28,930)	$ (10,971)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Depreciation and amortization	3,051	3,690
Share-based payment compensation	697	781
Amortization of deferred revenue	(183)	(183)
Amortization of debt discount	575	288
Asset impairments and write-offs	0	276
Amortization of deferred finance costs	152	59
Debt extinguishment	25,679	0
Gain on the disposal of equipment	(336)	0
Changes in operating assets and liabilities:
Accounts receivable, net	5,006	15,990
Inventories, net	(2,415)	1,387
Prepaid expenses and other	266	6
Accounts payable and accrued liabilities	(14,274)	(7,158)
Accrued dividends payable — Series B Preferred Stock	1,069	1,366
Net cash provided by (used for) operating activities	(9,643)	5,531
INVESTING ACTIVITIES:
Property and equipment additions	(2,800)	(1,681)
Change in restricted cash and investments	0	99
Proceeds from disposal of equipment	336	0
Net cash used for investing activities	(2,464)	(1,582)
FINANCING ACTIVITIES:
Payments for Series A Preferred Stock and other issuance costs	0	(22)
Payment for Series B Preferred stock redemption	(40,853)	0
Payment for Series B Preferred stock dividend	(8,915)	0
Payments for deferred issuance costs	(34)	0
Proceeds from exercise of stock options	262	5
Procceeds from issuance of common stock, net	55,500	0
Net cash provided by (used for) financing activities	5,960	(17)
Net decrease in cash and cash equivalents	(6,147)	3,932
BEGINNING CASH AND CASH EQUIVALENTS	46,471	17,000
ENDING CASH AND CASH EQUIVALENTS	40,324	20,932
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	1,204	26
Income taxes paid	21	46
SUPPLEMENTAL NON CASH INVESTING AND FINANCING ACTIVITIES:
Property and equipment purchases included in accounts payable	138	272
Deferred financing costs included in accrued liabilities	$ 0	$ 446