Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Cash Flows From Operating Activities:
Net income	$ 1,395,000		$ 859,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Share-based compensation expense	141,000		171,000
Depreciation and amortization	534,000		591,000
Equity in income of unconsolidated affiliate	(172,000)		(402,000)
Deferred income taxes	(14,000)		(17,000)
Changes in assets and liabilities:
Accounts receivable, net	415,000		(1,382,000)
Inventories	3,523,000		(1,125,000)
Prepaid expenses	(50,000)		269,000
Accounts payable and accrued liabilities	(423,000)		269,000
Net cash provided by (used in) operating activities	5,349,000		(767,000)
Cash Flows From Investing Activities:
Purchase of property and equipment	(284,000)		(481,000)
Purchase of intangible assets	(1,000)		(3,000)
Repayment of advances from unconsolidated affiliate			417,000
Net cash used in investing activities	(285,000)		(67,000)
Cash Flows From Financing Activities:
Proceeds from exercise of stock options	514,000
Repurchase of common stock	(2,422,000)		(778,000)
Income tax expense on stock options exercised	(1,000)
Net cash used in financing activities	(1,909,000)		(778,000)
Net increase (decrease) in cash and cash equivalents	3,155,000		(1,612,000)
Cash and cash equivalents, beginning of the period	4,554,000	[1]	7,503,000
Cash and cash equivalents, end of the period	$ 7,709,000		$ 5,891,000

[1] The condensed consolidated balance sheet as of December 31, 2012 has been prepared using information from the audited consolidated balance sheet as of that date.