ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)			12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012 Minimum	Dec. 29, 2012 Maximum
Accounts and notes receivable
Payment dates of the promissory notes			60 days	150 days
Notes receivable, net	$ 1,536,000	$ 2,091,000
Principal amount of promissory notes sold with recourse and included in notes receivable, net and short-term borrowing	$ 400,000	$ 1,300,000