Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 31, 2012		Oct. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,805)		$ (3,954)
Loss from discontinued operations			21
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:
Depreciation	75		342
Loan origination fees			53
Amortization of loan discount	492
Loss (gain) on retirement of property and equipment	11		(1)
Stock-based compensation	115		121
Provision for doubtful accounts receivable	(62)		22
Provision for obsolete inventory	(709)		(5)
Change in fair value of derivative liabilities	389
Supplier settlement	(1,443)
Changes in operating assets and liabilities:
Accounts receivable due from customers	(188)		1,173
Accounts receivable due from suppliers	(636)		50
Inventory	621		202
Other assets	30		3
Accounts payable	1,506		(1,744)
Accrued liabilities	306		(1,192)
Deferred rent	2		59
Net cash used in continuing operating activities	(2,296)		(4,850)
Net cash used in discontinued operating activities			(21)
Net cash used in operating activities	(2,296)		(4,871)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(62)		(71)
Proceeds from sale of property and equipment			1
Change in restricted cash	10		(92)
Net cash used in investing activities	(52)		(162)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from loan payable	2,000
Repayment of line of credit			(1,000)
Loan origination fees			(53)
Net cash provided by (used in) financing activities	2,000		(1,053)
Net decrease in cash and cash equivalents	(348)		(6,086)
Cash and cash equivalents, beginning of period	908	[1]	6,381
Cash and cash equivalents, end of period	560		295
Noncash investing and financing activities:
Loan discount recorded in connection with issuance of warrants	1,365
Issuance of common stock upon the vesting of restricted stock units	23
Cash paid during the period for:
Interest			12
Income taxes, net of refunds	$ 2		$ 2

[1] Derived from the audited consolidated financial statements as of January 31, 2012.