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Stockholders' Deficiency-warrants issued, exercised and expired (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Summary of warrants issued, exercised and expired during the year  
Balance at December 31, 2014 5,586,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Shares Issued   
Shares Expired (500,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Balance at March 31, 2015 5,086,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Weighted Average Exercise Price Balance at December 31, 2014 $ 0.99us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Weighted Average Exercise Price Issued   
Weighted Average Exercise Price Expired $ (1.00)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
Weighted Average Exercise Price Balance at March 31, 2015 $ 0.99us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Aggregate Intrinsic Value Balance at December 31, 2014 $ 45,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue
Aggregate Intrinsic Value Issued   
Aggregate Intrinsic Value Expired   
Aggregate Intrinsic Value Balance at March 31, 2015 $ 45,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue