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Note 3 - Inventories (Tables)
3 Months Ended
Oct. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

October 31, 2021

  

July 31, 2021

 

Supplies and work-in-progress

 $33,781  $33,781 

Uranium concentrates from production

  177,881   177,881 

Purchased uranium inventories

  36,005,758   28,960,818 
  $36,217,420  $29,172,480 
Contractual Obligation, Fiscal Year Maturity [Table Text Block]
  

Purchase Commitments

in Pounds

  

Total Purchase

Price

 

Fiscal 2022

  700,000  $21,965,000 

Fiscal 2023

  1,205,000   39,409,000 

Fiscal 2024

  495,000   16,913,250 

Fiscal 2025

  400,000   14,130,000 

Fiscal 2026

  100,000   3,620,000 

Total

  2,900,000  $96,037,250