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Marketable Equity Securities (Details Narrative) (Parenthetical) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Mar. 25, 2015
Dec. 31, 2014
Nov. 22, 2013
Marketable Securities [Abstract]          
Kinross shares, per share value     $ 2.46us-gaap_SharePrice    
Shares subscribed, Ely stock         13,571,354XPL_MarketableSecuritiesSharesEly
Shares receved in connection with formation of MH-LLC   3,333,333XPL_MarketableSecuritiesSharesReceivedDuringFormationOfPartnership      
Shares received in connection with payment of Augusta long term debt 2,970,230XPL_MarketableSecuritiesSharesReceivedAtPaymentOfLongTermDebt        
Ownership of Ely common stock       19.50%XPL_PercentageOfOwnershipOfCommonShares