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BALANCE SHEET DETAIL (Details) - USD ($)
$ in Thousands
May 31, 2023
May 31, 2022
BALANCE SHEET DETAIL    
Raw materials and sub-assemblies $ 15,953 $ 9,507
Work in process 5,764 5,461
Finished goods 2,191 83
Inventories $ 23,908 $ 15,051