CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net sales	$ 67,310,853	$ 71,671,126	$ 209,738,971	$ 228,411,988
Cost of sales	56,629,738	60,097,281	174,045,648	192,508,241
Gross profit	10,681,115	11,573,845	35,693,323	35,903,747
Selling, general and administrative expenses	8,354,912	7,570,491	25,507,577	24,231,123
Legal settlement and related costs		328,415	3,600,161	455,415
Other income	(94,227)	(174,445)	(827,008)	(766,585)
Operating income	2,420,430	3,849,384	7,412,593	11,983,794
Interest expense	315,963	149,710	537,354	729,520
Income before income taxes	2,104,467	3,699,674	6,875,239	11,254,274
Income tax expense (benefit)	573,030	129,183	2,114,865	(195,134)
Net income	1,531,437	3,570,491	4,760,374	11,449,408
Other comprehensive income (loss)	(31,265)	1,814	(62,534)	2,561
Total comprehensive income	$ 1,500,172	$ 3,572,305	$ 4,697,840	$ 11,451,969
Income per share:
Basic (in dollars per share)	$ 0.09	$ 0.22	$ 0.30	$ 0.72
Diluted (in dollars per share)	$ 0.09	$ 0.22	$ 0.29	$ 0.71
Shares used in the computation of income per share:
Basic (in shares)	16,160,518	15,966,506	16,087,864	15,945,830
Diluted (in shares)	16,546,113	16,243,852	16,425,542	16,209,108