Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Sales, net	$ 8,577us-gaap_SalesRevenueGoodsNet	$ 7,824us-gaap_SalesRevenueGoodsNet
Expenses
Cost of products	4,894us-gaap_CostOfGoodsSold	4,678us-gaap_CostOfGoodsSold
Selling, general and administrative	2,943	2,546
Total expenses	7,837us-gaap_CostsAndExpenses	7,224us-gaap_CostsAndExpenses
Operating income	740us-gaap_OperatingIncomeLoss	600us-gaap_OperatingIncomeLoss
Other income:
Other income	3us-gaap_OtherNonoperatingIncomeExpense	1us-gaap_OtherNonoperatingIncomeExpense
Total other expense	3us-gaap_NonoperatingIncomeExpense	1us-gaap_NonoperatingIncomeExpense
Income before income taxes	743	601
Income tax expense	(205)us-gaap_IncomeTaxExpenseBenefit	(126)us-gaap_IncomeTaxExpenseBenefit
Net income	$ 538us-gaap_NetIncomeLoss	$ 475us-gaap_NetIncomeLoss
Net earnings per share-basic:	$ 0.04us-gaap_EarningsPerShareBasic	$ 0.03us-gaap_EarningsPerShareBasic
Net earnings per share-diluted:	$ 0.04us-gaap_EarningsPerShareDiluted	$ 0.03us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding-basic	13,671,436	13,623,220
Weighted average shares outstanding-diluted	13,857,207	13,711,967

Total costs related to goods produced and sold during the reporting period.

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