Consolidated Condensed Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income (loss)	$ (19)	$ 284
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	494	423
Stock-based compensation	181	169
Change in deferred gain	(28)	(28)
Change in allowance for doubtful accounts	1	7
Equity in loss of partnerships	54	49
Changes in operating assets and liabilities:
Accounts receivable	(629)	92
Inventories	(85)	41
Other assets	(454)	297
Accounts payable	492	(335)
Accrued expenses	(913)	(382)
Non-controlling interest	34
Other liabilities	(61)	38
Net cash provided (used in) by operating activities	(933)	655
Cash flows from investing activities:
Purchases of property, plant and equipment	(624)	(711)
Other	(18)
Net cash used in investing activities	(642)	(711)
Cash flows from financing activities:
Proceeds from long-term borrowings	3,628	2,926
Repayments of long-term borrowings	(1,951)	(2,430)
Proceeds from employee stock purchases and exercise of stock options	24	42
Change in restricted cash	(42)	79
Net cash provided by financing activities	1,659	617
Effect of exchange rate changes on cash	100	(196)
Net increase in cash	184	365
Cash, beginning of period	369	328
Cash, end of period	$ 553	$ 693