CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Costs and expenses:
Depreciation	$ 400	$ 630	$ 827
General, administrative and other operating	27,457	17,474	22,062
Full-Cost ceiling test write-down		441	116,312
Write-off of prospective investment deposit			10,000
Gain on legal settlement	(10,734)
Loss from operations	(17,123)	(18,545)	(149,201)
Other income (expense):
Other than temporary impairment of securities			(472)
Realized gain (loss) on sale of securities	(69)		59
Interest income	75	84	301
Total other income (expense)	6	84	(112)
Loss before income tax	(17,117)	(18,461)	(149,313)
Net loss	$ (17,117)	$ (18,461)	$ (149,313)
Basic and diluted loss per common share (in dollars per share)	$ (0.81)	$ (0.88)	$ (7.44)
Weighted average shares outstanding - basic and diluted (in shares)	21,046,591	20,962,096	20,085,915