CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS USED IN OPERATING ACTIVITIES:
NET LOSS	$ (7,616)	$ (32,954)
Less income (loss) from discontinued operations, net of tax	653	(23,092)
Loss from continuing operations	(8,269)	(9,862)
Adjustments to reconcile net loss to net cash flows used in operating activities:
Depreciation and amortization	262	489
Stock based compensation and change in liability of stock appreciation rights	52	611
Impairment of patents	304
Provision for losses on doubtful accounts	72	67
Provision for losses on inventory obsolescence	0	63
Capitalized interest and other costs	467	0
Warrant revaluation	(788)	205
Loss on sale/disposal of assets	199	14
Deferred interest	47	70
Changes in operating assets and liabilities:
Accounts receivable	(33)	133
Inventories	26	(113)
Other assets	432	(663)
Accounts payable	3,085	(365)
Accrued expenses and other liabilities	(811)	1,773
Net cash used in continuing operations	(4,955)	(7,578)
Net cash provided by (used in) discontinued operations	1,405	(4,800)
Net cash used in operating activities	(3,550)	(12,378)
CASH FLOWS PROVIDED BY (USED IN) INVESTING ACTIVITIES:
Purchase of property and equipment	(19)	(204)
Proceeds from sale of assets	5	0
Change in other assets	(27)	(219)
Net cash used in investing activities, continuing operations	(41)	(423)
Net cash provided by investing activities, discontinued operations	1,047	2,210
Net cash used in investing activities, continuing operations	1,006	1,787
CASH FLOWS PROVIDED BY FINANCING ACTIVITIES:
Proceeds from debt	500	923
Principal payments on capital lease obligations	(3)	(35)
Issuance of preferred stock and warrants, net of costs of $219	1,781	0
Issuance of common stock and related warrants, net	7	0
Issuance of common stock and related warrants, net	475	8,977
Principal payments on debt	(550)	(874)
Net cash flows provided by financing activities	2,210	8,991
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH, discontinued operations	0	435
NET CHANGE IN CASH AND CASH EQUIVALENTS	(334)	(1,165)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	444	1,609
CASH AND CASH EQUIVALENTS AT END OF PERIOD	110	444
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid for interest	0	493
SUPPLEMENTAL DISCLOSURE OF NON-CASH INFORMATION
Initial valuation of warrant issued in conjunction with Private Placement	1,827	0
Warrants and note payable converted to equity	807	1,012
Debt settled with issuance of preferred stock and warrants	199	0
Issuance of common stock to vendors for services performed	89	0
Accrued fees associated with issuance of common stock	58	0
Other liability payable for settlement of warrant conversions	$ 462	$ 0