Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Condensed Consolidated Statements of Income (Unaudited)
Net sales	$ 8,621,678	$ 10,011,641
Cost of goods sold	6,959,915	7,668,636
Gross profit	1,661,763	2,343,005
Selling and administrative expenses	1,342,696	1,464,718
Operating profit	319,067	878,287
Other income	48,775	33,501
Income before income taxes	367,842	911,788
Provision for income taxes	81,000	204,000
Net income	$ 286,842	$ 707,788
Per share data, basic and diluted:
Net income per share	$ 0.30	$ 0.73
Average common shares outstanding	966,132	966,132
Cash dividends declared per share	$ 0.52	$ 0.51