Consolidated Condensed Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ (2,885)	$ 1,418
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,543	1,281
Stock-based compensation	506	445
Change in deferred gain	(55)	(83)
Change in allowance for doubtful accounts	(68)	(6)
Equity in loss of partnerships	175	154
Changes in operating assets and liabilities:
Accounts receivable	2,346	248
Inventories	1,189	(3,150)
Other assets	(527)	(80)
Accounts payable	(1,856)	1,729
Accrued expenses	(954)	467
Other liabilities	12	(199)
Net cash (used in) provided by operating activities	(574)	2,224
Cash flows from investing activities:
Purchases of property, plant and equipment	(1,557)	(2,868)
Other	(164)	(45)
Net cash used in investing activities	(1,721)	(2,913)
Cash flows from financing activities:
Proceeds from long-term borrowings	14,923	12,903
Repayments of long-term borrowings	(15,921)	(12,422)
Proceeds from equity offering, net of offering costs	3,678
Proceeds from employee stock purchases and exercise of stock options	83	315
Change in restricted cash	(31)	71
Net cash provided by financing activities	2,732	867
Effect of exchange rate changes on cash	(202)	(109)
Net increase in cash	235	69
Cash, beginning of period	369	328
Cash, end of period	$ 604	$ 397