Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net loss	$ (1,428)	$ (5,445)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	418	395
Stock-based compensation expense	639	316
(Gain) loss on change in fair value of liability-classified warrants	(1,588)	272
Gain on change in fair value of bifurcated derivative liability	(2,754)
Gain on foreign currency transactions	(796)	(124)
Amortization of debt discount	291	49
Loss (gain) on disposal of property and equipment	59	(4)
Offering costs allocated to warrants issued		88
Other		3
Changes in operating assets and liabilities:
Accounts receivable, net	(22)	(1,068)
Inventories	26	(329)
Prepaid expenses and other assets	(3,199)	437
Accounts payable, accrued expenses and other current liabilities	2,932	296
Income taxes	58	(68)
Cash used in operating activities of continuing operations	(5,364)	(5,182)
Cash used in operating activities of discontinued operations		(100)
Net cash used in operating activities	(5,364)	(5,282)
Cash flows from investing activities:
Purchases of property and equipment	(95)	(249)
Proceeds from sale of property and equipment	93	8
Net cash used in investing activities	(2)	(241)
Cash flows from financing activities:
Net (payments) proceeds under demand line of credit	(521)	741
Proceeds from issuance of common stock and warrants, net of offering costs		4,490
Proceeds from exercise of warrants	20
Proceeds from issuance of debt	3,750
Net cash provided by financing activities	3,249	5,231
Effect of exchange rates on cash	20	(144)
Net change in cash	(2,097)	(436)
Cash at beginning of period	2,958	7,220
Cash at end of period	$ 861	$ 6,784