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INCOME TAXES (Details 3) - USD ($)
$ in Thousands
May 31, 2024
May 31, 2023
Deferred tax assets:    
Net operating losses $ 9,344 $ 11,964
Lease liability 1,310 1,335
Credit carryforwards 6,739 6,235
Inventory reserves 1,070 938
Reserves and accruals 855 1,200
Capitalized research and development 2,645 1,187
Other 23 297
Less: Valuation allowance 0 (21,859)
Deferred tax assets 21,986 1,297
Deferred tax liabilities:    
Operating lease right-of-use assets (1,213) (1,297)
Net deferred tax assets (liabilities) $ 20,773 $ 0