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Note 14 - Sales and Service Revenue and Cost of Sales and Services (Tables)
9 Months Ended
Apr. 30, 2022
Notes Tables  
Schedule of Revenue and Cost of Revenue [Table Text Block]
  

Three Months Ended April 30,

  

Nine Months Ended April 30,

 
  

2022

  

2021

  

2022

  

2021

 

Sales of purchased uranium inventory

 $9,800,000  $-  $22,946,000  $- 

Revenue from toll processing services

  92,310   -   137,235   - 

Total sales and service revenue

 $9,892,310  $-  $23,083,235  $- 
                 

Cost of purchased uranium inventory

 $(6,477,830) $-  $(15,688,600) $- 

Cost of toll processing services

  (76,924)  -   (114,362)  - 

Total cost of sales and services

 $(6,554,754) $-  $(15,802,962) $-