Condensed Consolidated Statements of Cash Flows-Unaudited (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011
OPERATING ACTIVITIES
Net income (loss)	$ (1,122)		$ 678
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	513		521
Amortization of finite-lived intangible assets	63		108
Gain on disposal of Lynch property	0		(6)
Stock-based compensation	270		202
Deferred income taxes	(524)		213
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	260		(38)
(Increase) decrease in inventories	242		(167)
Increase in trade accounts payable, accrued liabilities and other liabilities	323		80
(Increase) decrease in other current assets	(24)		9
Net cash provided by operating activities	1		1,600
INVESTING ACTIVITIES
Capital expenditures	(805)		(1,285)
Net cash used in investing activities	(805)		(1,285)
FINANCING ACTIVITIES
Net borrowings (repayments) on note payable to bank	(1,576)		3,351
Increase in restricted cash	(1,500)		0
Proceeds from issuance of common stock	0		6,562
Payment of expenses related to the public offering	0		(158)
Proceeds from long-term debt	0		536
Principal payments on long-term debt	(255)		(722)
Purchase of treasury stock	(90)		(315)
Net cash provided by (used in) financing activities	(3,421)		9,254
Increase (decrease) in cash and cash equivalents	(4,225)		9,569
Cash and cash equivalents at beginning of period	13,709	[1]	4,147
Cash and cash equivalents at end of period	9,484		13,716
Supplemental Disclosure:
Cash paid for income taxes	52		35
Cash paid for interest	79		52
Supplemental Disclosure of noncash investing activity:
Note receivable obtained in sale of property	$ 0		$ 299

[1] The Condensed Consolidated Balance Sheet as of December 31, 2011, has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.