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Note 6 - Restricted Cash
3 Months Ended
Oct. 31, 2020
Notes to Financial Statements  
Restricted Cash [Text Block]
NOTE 
6
:
RESTRICTED CASH
 
Restricted cash includes cash and cash equivalents and money market funds as collateral for various bonds posted in favor of applicable state regulatory agencies in Arizona, Texas and Wyoming, and for estimated reclamation costs associated with our Anderson Project, Palangana Mine, Hobson Processing Facility and Reno Creek Project. Restricted cash will be released upon completion of reclamation of a mineral property or restructuring of a surety and collateral arrangement.
 
   
October 31, 2020
   
July 31, 2020
 
Restricted cash, beginning of period
 
$
1,839,216
    $
1,821,392
 
Interest received
 
 
44
     
17,824
 
Restricted cash, end of period
 
$
1,839,260
    $
1,839,216
 
 

 
Cash, cash equivalents and restricted cash are included in the following accounts at
October 31, 2020
and
2019:
  
   
October 31, 2020
   
October 31, 2019
 
Cash and cash equivalents
 
$
6,700,603
    $
13,112,069
 
Restricted cash
 
 
1,839,260
     
1,828,921
 
Total cash, cash equivalents and restricted cash
 
$
8,539,863
    $
14,940,990