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Critical Accounting Policies and Estimates - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Feb. 27, 2021
May 30, 2020
Accrued Liabilities:    
Compensation and payroll taxes $ 5,137 $ 3,469
Accrued severance 664 650
Professional fees 565 471
Deferred revenue 2,743 1,671
Legal settlement 1,600  
Other accrued expenses 4,137 4,063
Accrued Liabilities $ 14,846 $ 10,324