Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Cash Flows From Operating Activities:
Net income	$ 444,000		$ 192,000
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	114,000		146,000
Depreciation and amortization	425,000		449,000
Equity in income of unconsolidated affiliate	(318,000)		(234,000)
Deferred income taxes	(47,000)
Gain on sales of assets			(41,000)
Changes in assets and liabilities:
Accounts receivable, net	(1,397,000)		(1,890,000)
Inventories	1,341,000		2,017,000
Prepaid expenses	113,000		160,000
Accounts payable and accrued liabilities	(7,000)		306,000
Net cash provided by operating activities	668,000		1,105,000
Cash Flows From Investing Activities:
Purchase of property and equipment	(413,000)		(109,000)
Purchase of intangible assets	(2,000)		(3,000)
Proceeds from sales of assets			235,000
Net cash ( used in) provided by investing activities	(415,000)		123,000
Cash Flows From Financing Activities:
Proceeds from exercise of stock options			16,000
Repurchase of common stock	(528,000)		(129,000)
Net cash (used in) financing activities	(528,000)		(113,000)
Net (decrease) increase in cash and cash equivalents	(275,000)		1,115,000
Cash and cash equivalents, beginning of the period	7,503,000	[1]	5,316,000
Cash and cash equivalents, end of the period	$ 7,228,000		$ 6,431,000

[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.