Enduro Purchase and Sale Agreement	6 Months Ended
Dec. 31, 2018
Asset Acquisition [Abstract]
Enduro Purchase and Sale Agreement	Enduro Purchase and Sale Agreement As previously disclosed, the Company entered into a Purchase and Sale Agreement ("PSA") on May 15, 2018, to acquire, as the "stalking horse" bidder, certain oil and gas assets from an affiliate of Enduro Resource Partners LLC ("Enduro") for a purchase price of $27.5 million, subject to the outcome of Enduro's Chapter 11 process. Contemporaneous with executing the PSA, the Company made a $2.75 million deposit to an acquisition escrow account which was reflected in restricted cash together with earned interest on the Company's June 30, 2018 statement of financial position. On July 20, 2018, the Company was repaid its deposit together with related earned interest as a higher bidder emerged in the Chapter 11 bidding process. In August 2018, upon the closing of a higher bidder's purchase transaction, the Company received payment of a $1.1 million breakup fee under the terms of the PSA. This breakup fee was effectively intended to cover the Company’s Enduro transaction costs, time and effort, substantially all of which occurred before June 30, 2018.

Enduro Purchase and Sale Agreement

As previously disclosed, the Company entered into a Purchase and Sale Agreement ("PSA") on May 15, 2018, to acquire, as the "stalking horse" bidder, certain oil and gas assets from an affiliate of Enduro Resource Partners LLC ("Enduro") for a purchase price of $27.5 million, subject to the outcome of Enduro's Chapter 11 process. Contemporaneous with executing the PSA, the Company made a $2.75 million deposit to an acquisition escrow account which was reflected in restricted cash together with earned interest on the Company's June 30, 2018 statement of financial position. On July 20, 2018, the Company was repaid its deposit together with related earned interest as a higher bidder emerged in the Chapter 11 bidding process. In August 2018, upon the closing of a higher bidder's purchase transaction, the Company received payment of a $1.1 million breakup fee under the terms of the PSA. This breakup fee was effectively intended to cover the Company’s Enduro transaction costs, time and effort, substantially all of which occurred before June 30, 2018.