SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	12 Months Ended
	Dec. 27, 2013	Dec. 28, 2012	Dec. 30, 2011
Costs of contract revenue
Payroll taxes, bonuses and employee benefit costs for all Company personnel	$ 20,555,000	$ 22,421,000	$ 22,594,000
Facilities costs	4,654,000	4,871,000	4,875,000
Cost of Sales
Costs of contract revenue
Payroll taxes, bonuses and employee benefit costs for all Company personnel	0
Facilities costs	$ 0