Asset Retirement Obligations (Tables)

12 Months Ended

Jun. 30, 2017

Asset Retirement Obligation Disclosure [Abstract]

Schedule of reconciliation of the beginning and ending asset retirement obligation

The following is a reconciliation of the beginning and ending asset retirement obligations for the years ended June 30, 2017 and 2016:

	Years Ended June 30,
	2017			2016
Asset retirement obligations—beginning of period	$	962,196		$	772,990
Liabilities incurred	52,792			28,505
Liabilities settled	(157,164		)	—
Liabilities sold (b)	(47,817		)	—
Accretion of discount	59,664			49,054
Revisions to previous estimates	419,072			111,647
Asset retirement obligations — end of period (b)	1,288,743			962,196
Less current asset retirement obligations	(35,115		)	(201,896		)
Long-term portion of asset retirement obligations	$	1,253,628		$	760,300

(a) We conveyed our interest in a well to the previous operator in exchange for the assumption of our asset retirement obligations.

(b) As we have now retired all of our remaining operated wells, our asset retirement obligations as of June 30, 2017 consist entirely of our working interest obligations in the Delhi field.