Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Consolidated Statements Of Operations
Net sales	$ 130,550,349	$ 124,574,371
Cost of goods sold	82,651,076	79,019,315
Gross profit	47,899,273	45,555,056
Selling, general and administrative expenses	40,103,220	37,113,000
Operating income	7,796,053	8,442,056
Interest:
Interest expense	(1,356,536)	(868,626)
Interest income	29,376	119
Interest expense, net	(1,327,160)	(868,507)
Other income (expense)	24,404	(76,846)
Total other expense, net	(1,302,756)	(945,353)
Income before income tax expense	6,493,297	7,496,703
Income tax expense	2,440,818	1,645,705
Net income	$ 4,052,479	$ 5,850,998
Basic earnings per share	$ 1.21	$ 1.76
Diluted earnings per share	$ 1.09	$ 1.64