CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND RETAINED EARNINGS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Apr. 01, 2017	Apr. 02, 2016
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND RETAINED EARNINGS
Net sales	$ 34,103	$ 34,228
Costs and expenses:
Cost of sales (exclusive of depreciation, depletion and amortization)	28,072	27,209
Depreciation, depletion and amortization	638	639
Selling and administrative	6,004	5,716
Gain on disposition of property and equipment		(188)
Total costs and expenses	34,714	33,376
Operating (loss) income	(611)	852
Interest income	18	15
Interest expense	(66)	(110)
Other income, net	20	13
(Loss) income before income taxes	(639)	770
Benefit (provision) for income taxes	217	(262)
Net (loss) income	(422)	508
Retained earnings, beginning of period	65,169	61,483
Retained earnings, end of period	$ 64,747	$ 61,991
Basic and diluted (loss) income per share	$ (0.25)	$ 0.31
Average shares outstanding (in shares)	1,674	1,661

Represents information pertaining to net amount of nonoperating interest income.

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

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Aggregate depreciation, depletion and amortization expense in the current period for the cost of tangible assets, intangible assets, or depleting assets directly related to goods produced and sold during the reporting period.

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Total costs of sales and operating expenses for the period.

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The net result for the period of deducting operating expenses from operating revenues.

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Amount of income (expense) related to nonoperating activities, classified as other.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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