CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net sales	$ 68,674,699	$ 69,449,903
Cost of sales	55,678,922	54,289,246
Gross profit	12,995,777	15,160,657
Selling, general and administrative expenses	10,051,472	9,414,951
Other income	(69,480)	(36,476)
Operating income	3,013,785	5,782,182
Interest expense	245,403	182,829
Income before income taxes	2,768,382	5,599,353
Income tax expense	905,397	1,840,000
Net income	1,862,985	3,759,353
Other comprehensive income, net of tax	21,268	32,090
Comprehensive income	$ 1,884,253	$ 3,791,443
Income per share:
Basic (in dollars per share)	$ 0.11	$ 0.23
Diluted (in dollars per share)	$ 0.11	$ 0.22
Shares used in the computation of income per share:
Basic (in shares)	17,099,107	16,682,812
Diluted (in shares)	17,101,080	17,127,836