Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net loss	$ (3,029)	$ (3,836)
Net loss from discontinued operations		5
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	224	256
Stock-based compensation expense	180	111
Loss on change in fair value of liability-classified warrants	529	2,051
Gain on foreign currency transactions	(589)	(162)
Other	(22)	8
Changes in operating assets and liabilities:
Accounts receivable	(1,617)	(574)
Inventories	(27)	(210)
Prepaid expenses and other assets	665	(284)
Accounts payable, accrued expenses and other current liabilities	658	699
Income taxes	41	389
Cash used in operating activities of continuing operations	(2,987)	(1,547)
Cash used in operating activities of discontinued operations		(72)
Net cash used in operating activities	(2,987)	(1,619)
Cash flows from investing activities:
Purchases of property and equipment	(131)	(78)
Net cash used in investing activities	(131)	(78)
Cash flows from financing activities:
Net borrowings under demand line of credit	264	426
Proceeds from exercise of warrants		1,000
Other		(18)
Net cash provided by financing activities	264	1,408
Effect of exchange rates on cash	(116)	(23)
Net change in cash	(2,970)	(312)
Cash at beginning of period	7,220	3,909
Cash at end of period	$ 4,250	$ 3,597