Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Consolidated Statements of Income
Net Sales	$ 35,764,714	$ 37,022,378
Cost of Goods Sold	27,850,992	27,980,217
Gross Profit	7,913,722	9,042,161
Selling and Administrative Expenses	5,548,541	5,559,436
Operating Profit	2,365,181	3,482,725
Other Income	100,901	65,255
Income Before Provision for Income Taxes	2,466,082	3,547,980
Provision for Income Taxes	387,000	1,191,000
Net Income	$ 2,079,082	$ 2,356,980
Net Income Per Share	$ 2.15	$ 2.44