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Note 6 - Restricted Cash
6 Months Ended
Jan. 31, 2021
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 the completion of reclamation of a mineral property or the restructuring of a surety and collateral arrangement.
 
   
January 31, 2021
   
July 31, 2020
 
Restricted cash, beginning of period
 
$
1,839,216
    $
1,821,392
 
Interest received
 
 
84
     
17,824
 
Restricted cash, end of period
 
$
1,839,300
    $
1,839,216
 
 
Subsequent to
January 31, 2021,
we paid an additional
$198,377
as surety bond collateral for inflation adjustments upon renewal of various surety bonds relating to our Palangana Mine and Hobson Processing Facility.
 
Cash, cash equivalents and restricted cash are included in the following accounts at
January 31, 2021
and
2020:
 
   
January 31, 2021
   
January 31, 2020
 
Cash and cash equivalents
 
$
8,713,193
    $
10,272,315
 
Restricted cash
 
 
1,839,300
     
1,834,746
 
Total cash, cash equivalents and restricted cash
 
$
10,552,493
    $
12,107,061