CREDIT FACILITY (Details) (USD $)						9 Months Ended		0 Months Ended
	Sep. 28, 2013	Dec. 29, 2012	Sep. 29, 2012	Sep. 28, 2013 Letters of credit	Jul. 25, 2013 Letters of credit	Sep. 28, 2013 Line of credit	Jul. 25, 2013 Line of credit	Jul. 25, 2013 Line of credit LIBOR Average daily availability equal to or greater than 50% of the borrowing base	Jul. 25, 2013 Line of credit LIBOR Average daily availability less than 50% of the borrowing base	Jul. 25, 2013 Line of credit Base rate Average daily availability equal to or greater than 50% of the borrowing base	Jul. 25, 2013 Line of credit Base rate Average daily availability less than 50% of the borrowing base	Jul. 25, 2013 Line of credit U. S. federal funds rate	Jul. 25, 2013 Line of credit Adjusted LIBOR rate
Bank debt
Borrowing capacity				$ 3,000,000	$ 5,000,000	$ 0	$ 25,000,000
Letters of credit collateralized by security interest in certificates of deposit				3,000,000
Certificates of deposit collateralized for the remaining outstanding facility	1,750,000	3,000,000	3,000,000	1,750,000
Debt instrument, amount outstanding				1,100,000		1,200,000
Reference rate								LIBOR	LIBOR	base rate	base rate	federal funds rate	adjusted LIBOR rate
Interest rate margin (as a percent)								1.50%	1.75%	0.50%	0.75%	0.50%	1.00%
Deferred financing costs						$ 1,100,000