XML 34 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Asset Retirement Obligations (Tables)
9 Months Ended
Jun. 30, 2017
Asset Retirement Obligations [Abstract]  
Schedule of changes to the asset retirement obligation
  June 30,
2017
  September 30,
2016
 
 Balance, beginning of period $452,533  $426,607 
 Liabilities incurred      
 Effect of foreign exchange  5,218   9,771 
 Disposal      
 Accretion expense  12,479   16,155 
 Balance, end of period $470,230  $452,533