ACCRUED PAYROLL AND EXPENSES AND OTHER LONG-TERM LIABILITIES (Details) - USD ($)	Dec. 27, 2015	Dec. 28, 2014
Accrued Liabilities, Current [Abstract]
Subcontractor payable	$ 4,314,069	$ 3,014,315
Accrued bonuses and commissions	1,050,495	503,024
Payroll and payroll related	3,611,507	2,446,934
Other	2,578,797	1,163,062
Accrued Liabilities, Current	$ 11,554,868	$ 7,127,335