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Critical Accounting Policies and Estimates - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 01, 2018
Jun. 02, 2018
Accrued Liabilities:    
Compensation and payroll taxes $ 2,840 $ 3,449
Accrued severance 591 454
Professional fees 628 527
Deferred revenue 2,112 1,888
Other accrued expenses 4,885 4,025
Accrued Liabilities $ 11,056 $ 10,343