CRITICAL ACCOUNTING POLICIES AND ESTIMATES (Details) - USD ($) $ in Thousands		Nov. 26, 2016	May 28, 2016
Accrued Liabilities [Abstract]
Compensation and payroll taxes		$ 3,222	$ 3,404
Accrued severance	[1]	1,447	650
Professional fees		636	775
Deferred revenue		1,460	1,879
Other accrued expenses		3,073	2,427
Accrued Liabilities		$ 9,838	$ 9,135

[1] In the three months ended November 26, 2016, the Company executed a reduction in headcount to streamline operations and reduce costs. For the three months ended November 26, 2016, the Company recorded $1.3 million of expense included in selling, general and administrative expenses for employee termination costs payable to terminated employees with employment and/or separation agreements with the Company. The changes in the severance accrual for the three months ended November 26, 2016 included provisions and payments of $1.3 million and $0.3 million, respectively. The changes in the severance accrual for the six months ended November 26, 2016 included provisions and payments of $1.3 million and $0.5 million, respectively.