Oil and Gas Activities (Tables)

9 Months Ended

Mar. 31, 2015

Oil and Gas Exploration and Production Industries Disclosures [Abstract]

Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure

The following table presents the capitalized costs under the successful efforts method for oil and gas properties as of:

	March 31, 2015			June 30, 2014
	(In thousands)
Proved oil and gas properties:
United States	$	29,850		$	29,335
Less accumulated depletion, depreciation, and amortization	(4,056		)	(3,575		)
Total net proved oil and gas properties	$	25,794		$	25,760
Unproved oil and gas properties:
United States	$	468		$	268
United Kingdom	227			282
Australia	—			—
Total unproved oil and gas properties	$	695		$	550
Wells in Progress:
United States	$	25,769		$	19,686
United Kingdom	1,695			1,610
Total wells in progress	$	27,464		$	21,296