SUPPLEMENTAL OIL AND GAS INFORMATION (UNAUDITED) (Details 2) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	May 16, 2014 AGR	Jun. 30, 2014 AGR	Jun. 30, 2014 Republic of Guinea	Jun. 30, 2013 Republic of Guinea	Jun. 30, 2012 Republic of Guinea
Property acquisition:
Unproved		$ 441,000	$ 90,834,000				$ 441,000	$ 90,834,000
Exploration	(6,586,000)	5,381,000	28,556,000			(6,586,000)	5,381,000	28,556,000
Total costs incurred	(6,586,000)	5,822,000	119,390,000			(6,586,000)	5,822,000	119,390,000
Decrease in oil and gas property balance after reaching a lawsuit settlement				6,800,000	6,800,000
Release of previously escrowed cash held by AGR				$ 17,700,000	$ 17,700,000