Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 8,384,213	$ 8,220,554
Cost of goods sold	5,406,117	5,243,843
Gross profit	2,978,096	2,976,711
Operating Expenses:
Advertising and promotion	751,400	690,352
Selling and administrative	1,554,777	1,544,023
Total operating expenses	2,306,177	2,234,375
Operating income	671,919	742,336
Interest income (expense), net	7,386	(1,948)
Income before income taxes	679,305	740,388
Provision for income taxes	(155,925)	(236,464)
Net income	$ 523,380	$ 503,924
Earnings per common share - basic	$ 0.06	$ 0.06
Earnings per common share - diluted	0.06	0.05
Dividends declared per common share	$ 0.06