Consolidated Statements of Cash Flows(USD ($)) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net loss	$ (9,660)	$ (7,311)
(Income) loss from discontinued operations	(34)	91
Adjustment to reconcile net loss to cash used in operating activities:
Depreciation and amortization	1,430	1,748
Write-down for excess and obsolete inventory	1,279	96
Provision for doubtful accounts	53	45
Stock-based compensation expense	532	1,495
Gain on change in fair value of liability-classified warrants	(90)	(1,099)
Amortization of debt discount and accretion of debt payment premium	128	110
Amortization of debt issuance costs	108	125
Loss on foreign currency transactions	119	297
Income from unconsolidated affiliate	(27)	(60)
Deferred income taxes	(171)	(134)
Loss (gain) on disposal of property and equipment	178	(24)
Changes in operating assets and liabilities:
Accounts receivable	6,409	(6,532)
Inventories	483	(5,328)
Prepaid expenses and other assets	(191)	82
Accounts payable	(428)	1,458
Income taxes	(252)	(117)
Accrued expenses and other current liabilities	(64)	505
Cash used in operating activities of continuing operations	(198)	(14,553)
Cash provided by (used in) operating activities of discontinued operations	38	(70)
Net cash used in operating activities	(160)	(14,623)
Cash flows from investing activities:
Purchases of property and equipment	(236)	(619)
Repayments on loans to unconsolidated affiliate	129	51
Proceeds from sale of property and equipment	18	37
Net cash used in investing activities	(89)	(531)
Cash flows from financing activities:
Net borrowings under demand line of credit	948	4,527
Repayment of line of credit		(2,540)
Proceeds from issuance of shareholder notes payable	3,000	3,000
Proceeds from issuance of common stock		10,181
Payment for shelf registration costs	(94)
Proceeds from exercise of warrants		394
Payment of settlement obligation		(1,575)
Repayment of capital lease obligation	(11)	(29)
Payments for debt issuance costs	(108)	(165)
Net cash provided by financing activities	3,735	13,793
Effect of exchange rates on cash	(79)	(175)
Net change in cash	3,407	(1,536)
Cash at beginning of the year	3,471	5,007
Cash at end of the year	6,878	3,471
Supplemental disclosures:
Cash paid for interest	1,140	1,017
Cash paid for income taxes	$ 105	$ 181