Subsequent Events (Narrative) (Details) (USD $)	1 Months Ended				1 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Aug. 31, 2010	Aug. 13, 2010	Jul. 25, 2014 Subsequent Event [Member]	Jul. 17, 2014 Reduced Acreage Leased by the Arkose Mining Venture [Member]
Units Issued During Period, Units					9,600,000
Units Issued During Period, Per Unit Amount					$ 1.25
Units Issued During Period, Value					$ 12,000,000
Offering Costs					1,035,000
Units Issued During Period, Underlying Shares					1
Units Issued During Period, Underlying Warrants					0.5
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right				1	1
Class of Warrant or Right, Grants in Period, Contractual Term					30 months
Class of Warrant or Right, Grants in Period, Exercise Price	$ 1.60	$ 1.60	$ 3.00		$ 1.60
Reduction of Annual Holding Costs						$ 138,000