Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net sales	$ 9,200,318	$ 7,814,368
Cost of goods sold	7,122,029	6,369,860
Gross profit	2,078,289	1,444,508
Selling and administrative expenses	1,391,598	1,285,005
Operating profit	686,691	159,503
Other income:
Interest income	8,852	11,929
Gain from disposal of property and equipment	30,000	1,990
Other nonoperating income	4,191	3,600
Income before provision for income taxes	729,734	177,022
Provision for income taxes	236,000	60,000
Net income	$ 493,734	$ 117,022
Average common shares outstanding	966,132	966,132
Net income per share	$ 0.51	$ 0.12
Cash dividends declared per share	$ 0.15	$ 0.12