Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Consolidated Statements of Income
Net sales	$ 9,950,424	$ 9,125,736
Cost of goods sold	7,705,116	7,115,475
Gross profit	2,245,308	2,010,261
Selling and administrative expenses	1,414,052	1,351,814
Operating profit	831,256	658,447
Other income:
Interest income	6,517	8,485
Gain from disposal of equipment	17,000
Other income	3,600	3,600
Income before income taxes	858,373	670,532
Provision for income taxes	290,000	217,000
Net income	$ 568,373	$ 453,532
Average common shares outstanding	966,132	966,132
Earnings per share	$ 0.59	$ 0.47
Cash dividends declared per share	$ 0.58	$ 0.15