Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 2,509	$ 1,088
Adjustments to reconcile net income to cash used by operating activities:
Depreciation and amortization	127	127
Allowance for doubtful accounts	1	30
Value of share-based payment arrangements	0	5
Amortization of deferred finance costs	0	6
Deferred tax benefit	1,538	667
Changes in assets and liabilities:
Trade accounts receivable	(6,431)	(6,548)
Inventories	1,110	(301)
Prepaid and other assets	11	(161)
Accounts payable and accrued expenses	(995)	(430)
Cash used by operating activities	(2,130)	(5,517)
Cash flows from investing activities:
Additions to patents	(10)	(10)
Additions to property, plant, and equipment	(160)	(75)
Investment in joint venture	(3)	0
Cash used by investing activities	(173)	(85)
Cash flows from financing activities:
Purchase of common stock equivalents	0	(90)
(Repayment) proceeds from short-term debt - net	(1,271)	5,678
Proceeds from issuance of long-term debt	65	0
Repayment of long-term debt	(301)	(178)
Cash (used) provided by financing activities	(1,507)	5,410
Decrease in cash and cash equivalents	(3,810)	(192)
Cash and cash equivalents at beginning of period	3,958	3,926
Cash and cash equivalents at end of period	148	3,734
Supplemental disclosure of cash flow information:
Cash paid during period for interest	$ 171	$ 230