Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net sales:
Products	$ 47,854,000us-gaap_SalesRevenueGoodsNet	$ 40,664,000us-gaap_SalesRevenueGoodsNet
Tooling	1,745,000us-gaap_ContractsRevenue	411,000us-gaap_ContractsRevenue
Total net sales	49,599,000us-gaap_SalesRevenueNet	41,075,000us-gaap_SalesRevenueNet
Total cost of sales	40,574,000us-gaap_CostOfGoodsSold	34,430,000us-gaap_CostOfGoodsSold
Gross margin	9,025,000us-gaap_GrossProfit	6,645,000us-gaap_GrossProfit
Total selling, general and administrative expense	4,135,000	3,529,000
Income before interest and taxes	4,890,000	3,116,000
Interest expense	41,000us-gaap_InterestExpense	32,000us-gaap_InterestExpense
Income before income taxes	4,849,000	3,084,000
Income tax expense	1,653,000us-gaap_IncomeTaxExpenseBenefit	964,000us-gaap_IncomeTaxExpenseBenefit
Net income	$ 3,196,000us-gaap_NetIncomeLoss	$ 2,120,000us-gaap_NetIncomeLoss
Net income per common share:
Basic (USD per share)	$ 0.42us-gaap_EarningsPerShareBasic	$ 0.29us-gaap_EarningsPerShareBasic
Diluted (USD per share)	$ 0.42us-gaap_EarningsPerShareDiluted	$ 0.28us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding:
Basic	7,561,000	7,415,000
Diluted	7,607,000	7,468,000

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before interest expense, income taxes, extraordinary items, and noncontrolling interest.

No definition available.