Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Condensed Consolidated Statements of Income
Net sales	$ 8,995,825	$ 9,461,778	$ 28,446,927	$ 27,915,157
Cost of goods sold	6,909,045	6,931,307	21,876,032	21,161,859
Gross profit	2,086,780	2,530,471	6,570,895	6,753,298
Selling and administrative expenses	1,326,911	1,391,902	4,120,849	4,072,643
Operating profit	759,869	1,138,569	2,450,046	2,680,655
Other income:
Interest income	6,375	7,801	19,237	23,286
Gain (loss) from disposal of equipment	(1,087)	74,235	17,613	116,721
Other nonoperating income	3,600	3,600	11,288	11,288
Income before provision for income taxes	768,757	1,224,205	2,498,184	2,831,950
Provision for income taxes	228,000	404,000	820,000	920,000
Net income	$ 540,757	$ 820,205	$ 1,678,184	$ 1,911,950
Earnings per share	$ 0.56	$ 0.85	$ 1.74	$ 1.98
Average common shares outstanding	966,132	966,132	966,132	966,132
Cash dividends declared per share	$ 0.18	$ 0.15	$ 0.94	$ 0.45