Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Net sales	$ 44,955,000	$ 47,649,000
Cost of goods sold, excluding depreciation and amortization	28,983,000	30,197,000
Gross profit	15,972,000	17,452,000
Operating expenses:
Selling, general and administrative	13,794,000	13,513,000
Depreciation and amortization	703,000	721,000
Total operating expenses	14,497,000	14,234,000
Income from operations	1,475,000	3,218,000
Other income:
Equity in income of unconsolidated affiliate	$ 32,000	300,000
Gain on sale of marketable securities and investment in common stock warrants		409,000
Interest income, net	$ 14,000	16,000
Total other income	46,000	725,000
Income before provision for income taxes	1,521,000	3,943,000
Provision for income taxes	480,000	1,201,000
Net income	$ 1,041,000	$ 2,742,000
Basic earnings per common share (in dollars per share)	$ 0.06	$ 0.15
Diluted earnings per common share (in dollars per share)	$ 0.06	$ 0.15
Basic weighted average common shares outstanding (in shares)	18,197,109	18,414,775
Diluted weighted average common shares outstanding (in shares)	18,238,364	18,724,185