Consolidated Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 1,756	$ 1,257
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	379	407
Allowance for doubtful accounts	70	47
Value of share-based payment arrangements	66	183
Amortization of deferred finance costs	6	18
Deferred tax benefit	1,029	606
Changes in assets and liabilities:
Trade accounts receivable	(2,920)	(2,660)
Inventories	8,203	3,621
Prepaid and other assets	(1,405)	(172)
Other assets	(19)	13
Accounts payable and accrued expenses	(3,333)	308
Cash provided by operating activities	3,832	3,628
Cash flows from investing activities:
Additions to patents	(26)	(9)
Additions to property, plant, and equipment	(394)	(264)
Cash used by investing activities	(420)	(273)
Cash flows from financing activities:
Proceeds from issuance of securities - net		5,006
Purchase of common stock equivalents	(90)
Repayments from short-term debt - net	(1,336)	(3,781)
Proceeds from issuance of long-term debt		100
Repayment of long-term debt	(723)	(899)
Cash provided (used) by financing activities	(2,149)	426
Increase in cash and cash equivalents	1,263	3,781
Cash and cash equivalents at beginning of period	3,926	299
Cash and cash equivalents at end of period	5,189	4,080
Supplemental disclosure of cash flow information:
Cash paid during period for interest	688	743
Cash paid for income taxes	$ 48	$ 22