Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net loss	$ (1,314)	$ (4,594)
Income (loss) from discontinued operations	5,431	2,086
Gain on sale of discontinued operations, net of taxes (see note 11)	(6,279)
Net income (loss) from continuing operations	(2,162)	(2,508)
Adjustments to reconcile net loss to net cash used in operating activities:
Equity income from foreign joint ventures’ operations	(706)	(284)
Depreciation and amortization	70	85
Change in operating assets and liabilities:
Accounts receivable	(795)	(352)
Inventories	(29)	(8)
Prepaid expenses and other current assets	13	(38)
Accounts payable	(51)	72
Accrued liabilities and other current liabilities	975	202
Net cash (used in) by continuing operating activities	(2,685)	(2,831)
Net cash (used in) provided by discontinued operations	834	795
Net cash (used in) provided by operating activities	(1,851)	(2,036)
Cash flows from investing activities:
Dividends received from joint venture	1,127	781
Purchases of property, plant and equipment and other assets	(97)	(135)
Redemption of certificates of deposit		(457)
Net cash provided by from continuing investing activities	1,030	1,103
Net cash provided by (used in) investing activities of discontinued opertations	11,643	(128)
Net cash provided by (used in) investing activities	12,673	975
Cash flows from financing activities:
Proceeds from sale of common stock, preferred stock, and warrants	8	10
Treasury stocks purchase	(34)	(53)
Proceeds from long-term notes payable		7,000
Proceeds from short-term notes payable		200
Payments on revolving credit facility		(1,500)
Payments on long-term notes payable	(360)	(4,200)
Payments on short-term notes payable	(5,629)	(500)
Payments of debt issuance costs		(427)
Other financial activities, net	(1,392)
Net cash provided by (used in) by financing activities	(7,407)	530
Effect of exchange rate changes on cash	(51)	11
Net decrease in cash and cash equivalents	3,364	(520)
Cash and cash equivalents, beginning of period	2,289	1,618
Cash and cash equivalents, end of period	5,653	1,098
Supplemental disclosures of cash flow information:
Interest paid	661	611
Non-cash investing and financing transactions:
Issuance of shares of common stock on accrued preferred dividends payables	$ 225	$ 375