Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net sales	$ 10,654,000	$ 9,956,000
Cost of goods sold, excluding depreciation and amortization	6,829,000	6,346,000
Gross profit	3,825,000	3,610,000
Operating expenses:
Selling, general and administrative	3,577,000	3,371,000
Depreciation and amortization	171,000	188,000
Total operating expenses	3,748,000	3,559,000
Income from operations	77,000	51,000
Other income:
Equity in income of unconsolidated affiliate	98,000	110,000
Gain on sale of marketable securities and investment in common stock warrants		191,000
Interest, net	1,000	3,000
Total other income	99,000	304,000
Income before provision for income taxes	176,000	355,000
Provision for income taxes	28,000	86,000
Net income	$ 148,000	$ 269,000
Basic earnings per common share (in dollars per share)	$ 0.01	$ 0.01
Diluted earnings per common share (in dollars per share)	$ 0.01	$ 0.01
Basic weighted average common shares outstanding (in shares)	18,299,933	18,859,834
Diluted weighted average common shares outstanding (in shares)	18,499,572	19,163,050