Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ 360	$ (4,312)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	626	600
Value of share-based payment arrangements	29	53
Amortization of deferred finance costs	81	61
Deferred tax asset utilization	193	(1,053)
Allowance for doubtful accounts	48	49
Lower of cost or market adjustment	0	6,694
Changes in assets and liabilities:
Trade accounts receivable	(5,378)	(4,959)
Inventories	6,314	1,095
Income taxes receivable	2,709	0
Prepaid and other assets	(4,355)	(4,253)
Accounts payable and accrued expenses	4,027	(233)
Deferred income taxes	0	542
Cash provided by (used in) operating activities	4,654	(5,716)
Cash flows from investing activities:
Additions to patents	(10)	(7)
Additions to property, plant, and equipment	(534)	(556)
Investment in affiliates	63	(47)
Cash used by investing activities	(481)	(610)
Cash flows from financing activities:
Proceeds from issuance of common stock	15,639	1,110
Proceeds from (repayments of) short-term debt - net	(15,080)	5,337
Repayment of long-term debt	(4,228)	(169)
Cash provided (used) by financing activities	(3,669)	6,278
Increase (decrease) in cash and cash equivalents	504	(48)
Cash and cash equivalents at beginning of period	669	3,991
Cash and cash equivalents at end of period	1,173	3,943
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	413	626
Cash paid during period for income taxes	$ 0	$ 1,085