Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011
Cash Flows From Operating Activities:
Net income	$ 859,000		$ 578,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Share-based compensation expense	171,000		218,000
Depreciation and amortization	591,000		616,000
Equity in income of unconsolidated affiliate	(402,000)		(368,000)
Deferred income taxes	(17,000)		(119,000)
Gain on sales of assets			(41,000)
Changes in assets and liabilities:
Accounts receivable, net	(1,382,000)		(978,000)
Inventories	(1,125,000)		2,931,000
Prepaid expenses	269,000		(310,000)
Accounts payable and accrued liabilities	269,000		233,000
Net cash (used in) provided by operating activities	(767,000)		2,760,000
Cash Flows From Investing Activities:
Purchase of property and equipment	(481,000)		(236,000)
Purchase of intangible assets	(3,000)		(3,000)
Repayment of advances from unconsolidated affiliate	417,000
Proceeds from sales of assets			235,000
Net cash used in investing activities	(67,000)		(4,000)
Cash Flows From Financing Activities:
Proceeds from exercise of stock options			16,000
Excess tax benefit related to share-based compensation			(13,000)
Repurchase of common stock	(778,000)		(857,000)
Net cash used in financing activities	(778,000)		(854,000)
Net (decrease) increase in cash and cash equivalents	(1,612,000)		1,902,000
Cash and cash equivalents, beginning of the period	7,503,000	[1]	5,316,000
Cash and cash equivalents, end of the period	$ 5,891,000		$ 7,218,000

[1] The condensed consolidated balance sheet as of December 31, 2011 has been prepared using information from the audited balance sheet as of that date.