Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Consolidated Statements of Comprehensive Income
Net sales	$ 282,273,299	$ 286,140,112	$ 300,360,689
Cost of sales	235,520,946	242,644,088	267,865,673
Gross profit	46,752,353	43,496,024	32,495,016
Selling, general and administrative expenses	34,167,348	31,602,317	27,653,505
Legal settlements and related costs	3,600,161	616,744	2,182,091
Other income	(925,537)	(1,217,057)	(850,420)
Operating income	9,910,381	12,494,020	3,509,840
Interest expense	625,190	971,225	2,243,249
Income from continuing operations before income taxes	9,285,191	11,522,795	1,266,591
Income tax (benefit) expense	2,859,315	(310,190)	(401,000)
Income from continuing operations	6,425,876	11,832,985	1,667,591
Discontinued operations
Operating loss of discontinued Oregon operations, net of tax			(876,920)
Net income	6,425,876	11,832,985	790,671
Other comprehensive income (loss), net of tax	(52,351)	1,946	7,088
Total comprehensive income	$ 6,373,525	$ 11,834,931	$ 797,759
Basic income (loss) per share:
Income from continuing operations (in dollars per share)	$ 0.40	$ 0.74	$ 0.11
Loss from discontinued operations (in dollars per share)			$ (0.06)
Net income (in dollars per share)	$ 0.40	$ 0.74	$ 0.05
Diluted income (loss) per share:
Income from continuing operations (in dollars per share)	$ 0.39	$ 0.73	$ 0.11
Loss from discontinued operations (in dollars per share)			$ (0.06)
Net income (in dollars per share)	$ 0.39	$ 0.73	$ 0.05
Shares used in the computation of income (loss) per share:
Basic (in shares)	16,113,136	15,954,564	15,548,580
Diluted (in shares)	16,487,804	16,212,508	15,782,311