Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net sales	$ 11,282,000	$ 12,708,000	$ 22,032,000	$ 24,555,000
Cost of goods sold, excluding depreciation and amortization	6,795,000	8,168,000	13,252,000	15,770,000
Gross profit	4,487,000	4,540,000	8,780,000	8,785,000
Operating expenses:
Selling, general and administrative	3,346,000	3,334,000	6,819,000	6,791,000
Depreciation and amortization	125,000	117,000	279,000	271,000
Total operating expenses	3,471,000	3,451,000	7,098,000	7,062,000
Income from operations	1,016,000	1,089,000	1,682,000	1,723,000
Other income:
Equity in income of unconsolidated affiliate	129,000	93,000	234,000	191,000
Interest income, net	1,000	1,000	2,000	2,000
Total other income	130,000	94,000	236,000	193,000
Income before provision for income taxes	1,146,000	1,183,000	1,918,000	1,916,000
Provision for income taxes	342,000	386,000	564,000	612,000
Net income	$ 804,000	$ 797,000	$ 1,354,000	$ 1,304,000
Basic earnings per common share (in dollars per share)	$ 0.05	$ 0.05	$ 0.09	$ 0.07
Diluted earnings per common share (in dollars per share)	$ 0.05	$ 0.05	$ 0.09	$ 0.07
Basic weighted average common shares outstanding (in shares)	14,953,217	17,211,268	15,079,733	17,440,299
Diluted weighted average common shares outstanding (in shares)	15,006,089	17,211,268	15,151,032	17,440,299