Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 29, 2016	Oct. 31, 2015
OPERATING ACTIVITIES:
Net loss	$ (10,792)	$ (12,951)
Adjustments to reconcile net loss to net cash provided by (used for) operating activities:
Depreciation and amortization	9,204	7,265
Share-based payment compensation	1,432	2,138
Amortization of deferred revenue	(64)	(64)
Amortization of deferred finance costs	410	215
Deferred income taxes	592	591
Changes in operating assets and liabilities:
Accounts receivable, net	25,361	16,024
Inventories, net	(15,347)	(13,265)
Prepaid expenses and other	645	(1,450)
Accounts payable and accrued liabilities	826	(7,612)
Net cash provided by (used for) operating activities	12,267	(9,109)
INVESTING ACTIVITIES:
Property and equipment additions	(7,313)	(17,885)
Change in restricted cash and investments	0	1,650
Net cash used for investing activities	(7,313)	(16,235)
FINANCING ACTIVITIES:
Proceeds from issuance of term loans	17,000	2,849
Proceeds from Issuance of common stock and warrants	10,000	0
Proceeds from issuance of revolving loans	0	14,300
Proceeds from exercise of stock options	0	2,503
Payments on term loans	2,102	1,540
Payments for deferred financing costs	(1,432)	(428)
Payments for common stock issuance costs	(585)	0
Payments on capital leases	(39)	(39)
Payments for restricted stock issuance	(13)	0
Net cash provided by (used for) financing activities	22,829	17,645
Net increase (decrease) in cash and cash equivalents	27,783	(7,699)
BEGINNING CASH	11,897	19,828
ENDING CASH	39,680	12,129
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	3,363	1,672
Income taxes paid	51	33
SUPPLEMENTAL NON-CASH INVESTING AND FINANCING ACTIVITIES:
Property and equipment purchases included in accounts payable	803	1,827
Deferred financing costs included in accrued liabilities	15	0
Common stock issuance costs included in accrued liabilities	$ 283	$ 0