Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net loss	$ (2,141)	$ (2,821)
Loss from discontinued operations	3	83
Adjustments to reconcile net loss to cash (used in) provided by operating activities:
Depreciation and amortization	334	358
Write-down of excess and obsolete inventory	137	623
Stock-based compensation expense	194	83
(Gain) loss on change in fair value of liability-classified warrants	(3)	141
Gain on foreign currency transactions	(277)	(204)
Other	88	3
Changes in operating assets and liabilities:
Accounts receivable	(1,107)	3,321
Inventories	(417)	(695)
Prepaid expenses and other assets	171	(205)
Accounts payable	1,281	631
Income taxes	69	(601)
Accrued expenses and other current liabilities	(80)	347
Cash (used in) provided by operating activities of continuing operations	(1,748)	1,064
Cash used in operating activities of discontinued operations	(2)	(31)
Net cash (used in) provided by operating activities	(1,750)	1,033
Cash flows from investing activities:
Purchases of property and equipment	(80)	(53)
Investment in unconsolidated affiliate	(66)
Net cash used in investing activities	(146)	(53)
Cash flows from financing activities:
Net borrowings under demand line of credit	(334)	(254)
Repayment of capital lease obligations	(2)	(6)
Net cash used in financing activities	(336)	(260)
Effect of exchange rates on cash	(63)	198
Net change in cash	(2,295)	918
Cash at beginning of period	6,878	3,471
Cash at end of period	4,583	4,389
Supplemental disclosures:
Cash paid for interest	271	213
Cash paid for income taxes	$ 39	$ 228