Statements of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 3,404,227	$ 3,527,387	$ 10,984,959	$ 11,151,179
Costs and expenses:
Cost of sales	1,211,678	1,334,491	3,986,129	4,339,450
Operating expenses	654,027	598,100	1,851,486	1,749,217
Total costs and expenses	1,865,705	1,932,591	5,837,615	6,088,667
Income from operations	1,538,522	1,594,796	5,147,344	5,062,512
Other income:
Investment income	47,739	51,065	166,846	162,413
Gain on sale of assets	0	0	0	2,750
Income from damage settlement	292,830	0	878,490	0
Total other income	340,569	51,065	1,045,336	165,163
Income before income taxes	1,879,091	1,645,861	6,192,680	5,227,675
Provision for income taxes	602,300	529,700	2,008,700	1,689,800
Net Income	$ 1,276,791	$ 1,116,161	$ 4,183,980	$ 3,537,875
Earnings per common share (Basic and Diluted) (in Dollars per share)	$ 0.28	$ 0.24	$ 0.91	$ 0.77
Weighted average shares – basic and diluted (in Shares)	4,596,439	4,596,439	4,596,439	4,596,439