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Fair Value, Liabilities Measured on Recurring Basis (Details) (USD $)
 3 Months Ended
Apr. 30, 2015
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 1 $ 161,512lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreepbJmLJhVGZwm
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 2 0lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreeZpTlZLbrygHh
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 3 0lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreeGEightnSFiveOneMSevenzxFg
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 4 161,512lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreedyLdSOneJwTlbT
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 5 216,705lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreewQpxhwrxFiveHhQ
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 6 0lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreeZSixVGSevenFZWTwoThreeOneL
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 7 0lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreeSixRQTEightlKTrFpB
Summary Of Significant Accounting Policies Fair Value, Liabilities Measured On Recurring Basis 8 $ 216,705lbsr_FairValueLiabilitiesMeasuredOnRecurringBasisZeroTwoEightSevenFiveThreeThreeSevenThreeOnenqVNinehfThreehKZeroS