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Note 5 - Restricted Cash
6 Months Ended
Jan. 31, 2020
Notes to Financial Statements  
Restricted Cash [Text Block]
NOTE
5
:      
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 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.
 
   
January 31, 2020
   
July 31, 2019
 
Restricted cash, beginning of period
 
$
1,821,392
    $
1,789,899
 
Interest received
 
 
13,354
     
31,493
 
Restricted cash, end of period
 
$
1,834,746
    $
1,821,392
 
 
Cash, cash equivalents and restricted cash are included in the following accounts at
January 31, 2020
and
2019:
  
   
January 31, 2020
   
January 31, 2019
 
Cash and cash equivalents
 
$
10,272,315
    $
3,990,524
 
Restricted cash
 
 
1,834,746
     
1,804,328
 
Total cash, cash equivalents and restricted cash
 
$
12,107,061
    $
5,794,852