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Significant Components of Deferred Income Tax Liabilities and Assets (Detail) - USD ($)
$ in Thousands
May 31, 2022
May 31, 2021
Deferred income tax liabilities    
Indefinite and long-lived assets $ (22,709) $ (25,072)
Right of use asset (344) (213)
Prepaid expenses (884) (721)
Deferred Tax Liabilities, Gross (23,937) (26,006)
Deferred income tax assets    
Stock options 2,085 1,106
Inventories and accounts receivable 2,044 2,081
Tax loss carryforwards 561 662
Lease liability 382 211
Accrued expenses and other 2,422 570
Valuation allowance on tax carryforwards (568) (541)
Deferred Tax Assets, Net of Valuation Allowance, Total 6,926 4,089
Net deferred income tax liabilities $ (17,011) $ (21,917)