Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net sales	$ 11,442,000	$ 10,751,000
Cost of goods sold, excluding depreciation and amortization	6,987,000	6,457,000
Gross profit	4,455,000	4,294,000
Operating expenses:
Selling, general and administrative	3,881,000	3,474,000
Depreciation and amortization	146,000	154,000
Total operating expenses	4,027,000	3,628,000
Income from operations	428,000	666,000
Other income:
Equity in income of unconsolidated affiliate	139,000	105,000
Unrealized gain recognized in earings since January 1, 2018	32,000
Interest income, net	1,000	1,000
Total other income	172,000	106,000
Income before provision for income taxes	600,000	772,000
Provision for income taxes	92,000	222,000
Net income	$ 508,000	$ 550,000
Basic earnings per common share (in dollars per share)	$ 0.04	$ 0.04
Diluted earnings per common share (in dollars per share)	$ 0.04	$ 0.04
Basic weighted average common shares outstanding (in shares)	14,217,919	15,207,659
Diluted weighted average common shares outstanding (in shares)	14,383,005	15,301,801