Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net loss	$ (6,855)	$ (7,760)
(Income) loss from discontinued operations	(69)	187
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization	1,069	1,298
(Recovery of) provision for doubtful accounts	(43)	24
Stock based compensation expense	364	1,357
Loss (gain) on change in fair value of liability-classified warrants	59	(1,072)
Amortization of debt discount and accretion of debt payment premium	92	81
Amortization of debt issuance costs	75	75
Income from unconsolidated affiliate	(18)	(35)
Loss on foreign currency transactions	32	148
Loss (gain) on disposal of property and equipment	20	(35)
Changes in operating assets and liabilities:
Accounts receivable	4,900	(3,421)
Inventories	2,357	(7,032)
Prepaid expenses and other assets	373	(766)
Accounts payable	(762)	3,030
Income taxes	(504)	416
Accrued expenses and other current liabilities	(316)	207
Cash provided by (used in) operating activities of continuing operations	774	(13,298)
Cash provided by (used in) operating activities of discontinued operations	51	(167)
Net cash provided by (used in) operating activities	825	(13,465)
Cash flows from investing activities:
Purchases of property and equipment	(134)	(517)
Investment in unconsolidated affiliate		51
Proceeds from sale of property and equipment	13	37
Net cash used in investing activities	(121)	(429)
Cash flows from financing activities:
Net borrowings under demand line of credit	563	4,211
Repayment of line of credit		(2,540)
Proceeds from issuance of shareholder notes payable	3,000	3,000
Proceeds from issuance of common stock		10,212
Proceeds from exercise of warrants		394
Payment of settlement obligation		(1,575)
Repayment of capital lease obligations	(9)	(23)
Payments for shelf registration costs	(94)
Payments for debt issuance costs	(75)	(115)
Net cash provided by financing activities	3,385	13,564
Effect of exchange rates on cash	89	(119)
Net change in cash and cash equivalents	4,178	(449)
Cash and cash equivalents at beginning of period	3,471	5,007
Cash and cash equivalents at end of period	7,649	4,558
Supplemental disclosures:
Cash paid for interest	833	715
Cash paid for income taxes	$ 364	$ 625