XML 30 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Asset Retirement Obligations (Tables)
3 Months Ended
Dec. 31, 2012
Banking and Thrift [Abstract]  
Changes to Asset Retirement Obligation

Changes to the asset retirement obligation were as follows:

 

  December 31, 2012  September 30, 2012 
Balance, beginning of period $425,700  $387,368 
Liabilities incurred      
Effect of foreign exchange  (5,593)  22,038 
Disposal      
Accretion expense  3,951   16,294 
Balance, end of period $424,058  $425,700