Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 44,025,000	$ 46,176,000
Cost of goods sold, excluding depreciation and amortization	26,573,000	29,192,000
Gross profit	17,452,000	16,984,000
Operating expenses:
Selling, general and administrative	13,955,000	12,768,000
Depreciation and amortization	571,000	544,000
Total operating expenses	14,526,000	13,312,000
Income from operations	2,926,000	3,672,000
Other income:
Equity in income of unconsolidated affiliate	355,000	498,000
Gain on sale of property	385,000
Interest income, net	4,000	5,000
Total other income	744,000	503,000
Income before provision for income taxes	3,670,000	4,175,000
Provision for income taxes	1,037,000	1,007,000
Net income	$ 2,633,000	$ 3,168,000
Basic earnings per common share (in dollars per share)	$ 0.18	$ 0.19
Diluted earnings per common share (in dollars per share)	$ 0.18	$ 0.19
Basic weighted average common shares outstanding (in shares)	14,825,600	16,835,129
Diluted weighted average common shares outstanding (in shares)	14,993,009	16,835,129