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Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Consolidated Statements of Income
Net sales	$ 9,125,736	$ 9,200,318
Cost of goods sold	7,115,475	7,122,029
Gross profit	2,010,261	2,078,289
Selling and administrative expenses	1,351,814	1,391,598
Operating profit	658,447	686,691
Other income:
Interest income	8,485	8,852
Gain from disposal of equipment		30,000
Other nonoperating income	3,600	4,191
Income before provision for income taxes	670,532	729,734
Provision for income taxes	217,000	236,000
Net income	$ 453,532	$ 493,734
Average common shares outstanding	966,132	966,132
Earnings per share	$ 0.47	$ 0.51
Cash dividends declared per share	$ 0.15	$ 0.15

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