Consolidated Statements of Cash Flows Decrease in Cash and Cash Equivalents (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 4,803	$ 7,644
Adjustments to reconcile net income to cash used by operating activities:
Depreciation and amortization	388	264
Allowance for doubtful accounts	23	1
Value of share-based payment arrangements	33	0
Amortization of deferred finance costs	41	0
Deferred tax benefit utilization	497	3,086
Changes in assets and liabilities:
Trade accounts receivable	(9,933)	(5,734)
Inventories	(11,131)	(15,403)
Prepaid and other assets	(2,305)	(3,307)
Accounts payable and accrued expenses	2,517	9,211
Income taxes payable	1,237	701
Cash used by operating activities	(13,830)	(3,537)
Cash flows from investing activities:
Additions to patents	0	(20)
Additions to property, plant, and equipment	(513)	(533)
Investment in affiliates	(27)	(3)
Cash used by investing activities	(540)	(556)
Cash flows from financing activities:
Proceeds from issuance of common stock	1,110	116
Proceeds from short-term debt - net	11,736	1,711
Proceeds from issuance of long-term debt	0	4,387
Repayment of long-term debt	(93)	(2,071)
Cash provided by financing activities	12,753	4,143
(Decrease) Increase in cash and cash equivalents	(1,617)	50
Cash and cash equivalents at beginning of period	3,991	3,958
Cash and cash equivalents at end of period	2,374	4,008
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	399	358
Cash paid for income taxes	$ 1,085	$ 899