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Note 14 - Sales and Service Revenue and Cost of Sales and Services (Tables)
9 Months Ended
Apr. 30, 2023
Notes Tables  
Schedule of Revenue and Cost of Revenue [Table Text Block]
  

Three Months Ended April 30,

  

Nine Months Ended April 30,

 
  

2023

  

2022

  

2023

  

2022

 

Sales of purchased uranium inventory

 $20,095  $9,800  $125,140  $22,946 

Revenue from toll processing services

  122   92   300   137 

Total sales and service revenue

 $20,217  $9,892  $125,440  $23,083 
                 

Cost of purchased uranium inventory

 $(13,896) $(6,478) $(90,543) $(15,689)

Cost of toll processing services

  (102)  (77)  (250)  (114)

Total cost of sales and services

 $(13,998) $(6,555) $(90,793) $(15,803)