ACCRUED LIABILITIES (Details) - USD ($)	Sep. 29, 2017	Dec. 30, 2016
ACCRUED LIABILITIES
Accrued bonuses	$ 1,444,000	$ 2,090,000
Accrued interest	2,000	1,000
Paid leave bank	2,522,000	2,129,000
Compensation and payroll taxes	1,331,000	2,006,000
Accrued legal	120,000	177,000
Accrued workers' compensation insurance	286,000	81,000
Accrued rent	177,000	166,000
Employee withholdings	1,130,000	1,337,000
Client deposits	177,000	139,000
Accrued subcontractor costs	9,393,000	8,100,000
Other	1,173,000	2,823,000
Total accrued liabilities	$ 17,755,000	$ 19,049,000