Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Condensed Consolidated Statements Of Operations
Net sales	$ 22,837us-gaap_SalesRevenueGoodsNet	$ 19,152us-gaap_SalesRevenueGoodsNet
Cost of goods sold	14,402us-gaap_CostOfGoodsSold	12,275us-gaap_CostOfGoodsSold
Gross profit	8,435us-gaap_GrossProfit	6,877us-gaap_GrossProfit
Selling, general and administrative expenses	7,608	6,252
Operating income	827us-gaap_OperatingIncomeLoss	625us-gaap_OperatingIncomeLoss
Interest:
Interest expense	132us-gaap_InterestExpenseDebt	89us-gaap_InterestExpenseDebt
Interest income	(2)us-gaap_InvestmentIncomeInterest	(6)us-gaap_InvestmentIncomeInterest
Interest expense, net	130us-gaap_InterestIncomeExpenseNet	83us-gaap_InterestIncomeExpenseNet
Other expense, net	76us-gaap_OtherNonoperatingIncomeExpense	19us-gaap_OtherNonoperatingIncomeExpense
Total other expense, net	206us-gaap_NonoperatingIncomeExpense	102us-gaap_NonoperatingIncomeExpense
Income before income taxes	621	523
Income tax expense	185us-gaap_IncomeTaxExpenseBenefit	155us-gaap_IncomeTaxExpenseBenefit
Net income	$ 436us-gaap_NetIncomeLoss	$ 368us-gaap_NetIncomeLoss
Basic earnings per share	$ 0.13us-gaap_EarningsPerShareBasic	$ 0.12us-gaap_EarningsPerShareBasic
Diluted earnings per share	$ 0.12us-gaap_EarningsPerShareDiluted	$ 0.11us-gaap_EarningsPerShareDiluted
Weighted average number of common shares outstanding - denominator used for basic per share computations	3,300,000	3,201,000
Weighted average number of dilutive stock options outstanding	404,000	242,000
Denominator used for diluted per share computations	3,704,000	3,443,000
Dividends declared per share	$ 0.09	$ 0.08

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