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OTHER INCOME (EXPENSE), NET (Tables)
6 Months Ended
Feb. 28, 2022
Other Income and Expenses [Abstract]  
Schedule of other income and expense
                    
(in thousands)  Three Months Ended
February 28,
   Six Months Ended
February 28,
 
   2022   2021   2022   2021 
Interest income  $75   $58   $139   $119 
Interest expense       (22)       (22)
Change in valuation of contingent consideration   (122)   (122)   (243)   (243)
Gain on sale of assets            1     
Gain (loss) on currency exchange   100    23    221    28 
Total other income (expense), net  $53   $(63)  $118   $(118)