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Other current liabilities
 12 Months Ended
Jul. 31, 2020
Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]  
Other current liabilities

Note 11 - Other current liabilities


At July 31, other current liabilities consist of:


   2020   2019 
Finance lease obligations, current portion  $200   $255 
Current portion of mortgage loan   144    136 
   $344   $391