Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Cash Flows From Operating Activities:
Net income	$ 490,000		$ 444,000
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	108,000		114,000
Depreciation and amortization	356,000		425,000
Equity in income of unconsolidated affiliate	(71,000)		(318,000)
Deferred income taxes			(47,000)
Changes in assets and liabilities:
Accounts receivable, net	501,000		(1,397,000)
Inventories	2,881,000		1,341,000
Prepaid expenses	(866,000)		113,000
Accounts payable and accrued liabilities	(177,000)		(7,000)
Net cash provided by operating activities	3,222,000		668,000
Cash Flows From Investing Activities:
Purchase of property and equipment	(149,000)		(413,000)
Purchase of intangible assets	(1,000)		(2,000)
Net cash used in investing activities	(150,000)		(415,000)
Cash Flows From Financing Activities:
Proceeds from exercise of stock options	56,000
Repurchase of common stock	(1,553,000)		(528,000)
Net cash used in financing activities	(1,497,000)		(528,000)
Net increase (decrease) in cash and cash equivalents	1,575,000		(275,000)
Cash and cash equivalents, beginning of the period	4,554,000	[1]	7,503,000
Cash and cash equivalents, end of the period	$ 6,129,000		$ 7,228,000

[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.