CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND RETAINED EARNINGS
Net sales	$ 39,887	$ 42,721	$ 73,990	$ 76,949
Costs and expenses:
Cost of sales (exclusive of depreciation, depletion and amortization)	31,734	33,081	59,806	60,290
Depreciation, depletion and amortization	677	651	1,315	1,290
Selling and administrative	5,845	6,163	11,849	11,879
Gain on disposition of property and equipment	(24)	(4)	(24)	(192)
Total costs and expenses	38,232	39,891	72,946	73,267
Operating income	1,655	2,830	1,044	3,682
Interest income	14	10	32	25
Interest expense	(108)	(123)	(174)	(233)
Other (expense) income, net	(4)	12	16	25
Income before income taxes	1,557	2,729	918	3,499
Provision for income taxes	529	928	312	1,190
Net income	1,028	1,801	606	2,309
Retained earnings, beginning of period	64,747	61,991	65,169	61,483
Retained earnings, end of period	$ 65,775	$ 63,792	$ 65,775	$ 63,792
Basic and diluted income per share	$ 0.61	$ 1.08	$ 0.36	$ 1.39
Average shares outstanding (in shares)	1,682	1,673	1,678	1,667

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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, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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

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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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