Asset retirement obligations (ARO)
|9 Months Ended|
Sep. 30, 2015
|Asset Retirement Obligation Disclosure [Abstract]|
|Asset retirement obligations (ARO)||
A reconciliation of the Company's asset retirement obligations for the quarter ended September 30, 2015, is as follows:
The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.
Reference 1: http://www.xbrl.org/2003/role/presentationRef