Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net (loss) income	$ (5,842)	$ 12,801
Adjustments to reconcile net (loss) income to cash used by operating activities:
Depreciation and amortization	808	556
Allowance for doubtful accounts	31	29
Amortization of deferred finance cost	95	41
Value of share-based payment arrangements	122	134
Deferred tax benefit	(1,448)	(1,036)
Allowance for lower of cost or market	5,714	0
Changes in assets and liabilities:
Trade accounts receivable	(1,781)	468
Inventories	486	(22,433)
Prepaid and other assets	86	(368)
Income taxes receivable	(2,587)	0
Accounts payable and accrued expenses	(2,101)	542
Cash used by operating activities	(6,417)	(9,266)
Cash flows from investing activities:
Additions to patents	(11)	(19)
Additions to property, plant and equipment	(550)	(1,248)
Decrease (increase) in investment in affiliates	164	(730)
Cash used by investing activities	(397)	(1,997)
Cash flows from financing activities:
Proceeds from issuance of common stock - net	1,110	122
Proceeds of short-term debt - net	2,629	10,527
Proceeds from long-term debt	0	4,387
Repayment of long-term debt	(247)	(3,740)
Cash provided by financing activities	3,492	11,296
(Decrease) increase in cash and cash equivalents	(3,322)	33
Cash and cash equivalents at beginning of period	3,991	3,958
Cash and cash equivalents at end of period	669	3,991
Supplemental disclosure of cash flow information:
Cash paid during period for interest	838	652
Cash paid for income taxes	1,085	2,553
Non cash investing activity:
Divestiture of joint venture	$ 534	$ 0