CRITICAL ACCOUNTING POLICIES AND ESTIMATES (Details) - USD ($) $ in Thousands		Feb. 25, 2017	May 28, 2016
Accrued Liabilities:
Compensation and payroll taxes		$ 2,543	$ 3,404
Accrued severance	[1]	1,010	650
Professional fees		578	775
Deferred revenue		1,437	1,879
Other accrued expenses		3,168	2,427
Accrued Liabilities		$ 8,736	$ 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 February 25, 2017 included payments of $0.4 million. The changes in the severance accrual for the nine months ended February 25, 2017 included provisions and payments of $1.3 million and $0.9 million, respectively.