Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Consolidated Statements of Comprehensive Income
Net sales	$ 278,424,799	$ 236,308,920	$ 246,805,967
Cost of sales	224,202,596	192,462,081	198,385,642
Gross profit	54,222,203	43,846,839	48,420,325
Selling, general and administrative expenses	35,306,651	31,344,204	31,698,954
Other income	(368,064)	(493,885)	(905,078)
Operating income	19,283,616	12,996,520	17,626,449
Interest expense	88,972	525,911	504,828
Income from continuing operations before income taxes	19,194,644	12,470,609	17,121,621
Income tax expense	6,319,375	4,000,655	5,923,359
Income from continuing operations	12,875,269	8,469,954	11,198,262
Gain on sale of discontinued operations, net of tax		87,036
Operating loss of discontinued Oregon operations, net of tax		(1,654,459)	(4,772,386)
Loss from discontinued operations, net of tax		(1,567,423)	(4,772,386)
Net income	12,875,269	6,902,531	6,425,876
Unrealized loss on hedge activity, net of tax	(2,459)	(5,444)	(19,864)
Unrealized holding loss on investments, net of tax	(115,482)	(17,023)	(32,487)
Other comprehensive loss	(117,941)	(22,467)	(52,351)
Comprehensive income	$ 12,757,328	$ 6,880,064	$ 6,373,525
Basic income (loss) per share:
Income from continuing operations (in dollars per share)	$ 0.77	$ 0.52	$ 0.69
Loss from discontinued operations (in dollars per share)		(0.10)	(0.29)
Net income (in dollars per share)	0.77	0.42	0.40
Diluted income (loss) per share:
Income from continuing operations (in dollars per share)	0.76	0.50	0.68
Loss from discontinued operations (in dollars per share)		(0.09)	(0.29)
Net income (in dollars per share)	$ 0.76	$ 0.41	$ 0.39
Shares used in the computation of income (loss) per share:
Basic (in shares)	16,682,437	16,350,561	16,113,136
Diluted (in shares)	16,997,365	16,744,066	16,487,804