Consolidated Statements of Cash Flows Decrease in Cash and Cash Equivalents (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ (4,312)	$ 9,837
Adjustments to reconcile net income (loss) to cash used by operating activities:
Depreciation and amortization	600	417
Allowance for doubtful accounts	49	24
Value of share-based payment arrangements	53	60
Amortization of deferred finance costs	61	20
Deferred tax (benefit) utilization	(1,053)	3,086
Lower of cost or market adjustment	6,694	0
Changes in assets and liabilities:
Trade accounts receivable	(4,959)	(2,666)
Inventories	1,095	(16,948)
Prepaid and other assets	(4,253)	(684)
Accounts payable and accrued expenses	(233)	(1,373)
Income taxes payable	0	1,168
Deferred income taxes	542	0
Cash used by operating activities	(5,716)	(7,059)
Cash flows from investing activities:
Additions to patents	(7)	(20)
Additions to property, plant, and equipment	(556)	(636)
Investment in affiliates	(47)	(3)
Cash used by investing activities	(610)	(659)
Cash flows from financing activities:
Proceeds from issuance of common stock	1,110	160
Proceeds from short-term debt-net	5,337	5,369
Proceeds from issuance of long-term debt	0	4,387
Repayment of long-term debt	(169)	(2,719)
Cash provided by financing activities	6,278	7,197
Decrease in cash and cash equivalents	(48)	(521)
Cash and cash equivalents at beginning of period	3,991	3,958
Cash and cash equivalents at end of period	3,943	3,437
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	626	511
Cash paid for income taxes	$ 1,085	$ 1,779