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Reclamation and Environmental (Tables)
12 Months Ended
Jun. 30, 2018
Environmental Remediation Obligations [Abstract]  
Changes to Asset Retirement Obligation

Changes to the Company’s asset retirement obligations for the year ended June 30, 2018 are as follows:

 

  

 

June 30, 2018

 

 

June 30, 2017

 

Balance at beginning of year

 

$

1,261,034

 

 

$

1,402,039

 

Accretion expense

 

 

150,736

 

 

 

137,288

 

Payments

 

 

(339,219

)

 

 

(278,293

)

Change in estimate of existing obligation

 

 

 

 

 

 

Balance at end of year

 

$

1,072,551

 

 

$

1,261,034