Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015
Cash Flows From Operating Activities:
Net income	$ 2,323,000		$ 741,000
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	115,000		18,000
Depreciation and amortization	425,000		527,000
Equity in income of unconsolidated affiliate	(433,000)		(50,000)
Changes in assets and liabilities:
Accounts receivable, net	(1,953,000)		208,000
Accounts receivable, unconsolidated affiliate	(11,000)		249,000
Inventories	4,544,000		(1,317,000)
Prepaid expenses and other current assets	191,000		1,761,000
Accounts payable and accrued liabilities	815,000		(80,000)
Net cash provided by operating activities	6,016,000		2,057,000
Cash Flows From Investing Activities:
Purchase of property and equipment	(212,000)		(189,000)
Purchase of marketable securities	(41,000)		(36,000)
Net cash used in investing activities	(253,000)		(225,000)
Cash Flows From Financing Activities:
Repurchase of common stock	(3,689,000)		(1,518,000)
Proceeds from exercise of stock options	17,000		765,000
Net cash used in financing activities	(3,672,000)		(753,000)
Increase in cash	2,091,000		1,079,000
Cash, beginning of the period	9,681,000	[1]	5,495,000
Cash, end of the period	$ 11,772,000		$ 6,574,000

[1] The condensed consolidated balance sheet as of December 31, 2015 has been prepared using information from the audited consolidated balance sheet as of that date.