Annual report pursuant to Section 13 and 15(d)

Schedule of Warrants Outstanding (Details)

v2.4.1.9
Schedule of Warrants Outstanding (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Warrants Outstanding 4,886,764us-gaap_ClassOfWarrantOrRightOutstanding 2,284,996us-gaap_ClassOfWarrantOrRightOutstanding
Issued to Investors on July 28, 2010 [Member]    
Warrants Outstanding 1,034,996us-gaap_ClassOfWarrantOrRightOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnJulyTwoEightTwoZeroOneZeroMember
1,034,996us-gaap_ClassOfWarrantOrRightOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnJulyTwoEightTwoZeroOneZeroMember
Exercise price $ 9.00invest_InvestmentWarrantsExercisePrice
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnJulyTwoEightTwoZeroOneZeroMember
 
Common stock to be purchased in the Offering 1,034,996us-gaap_CommonStockOtherSharesOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnJulyTwoEightTwoZeroOneZeroMember
 
Issued to Investors on October 25, 2013 [Member]    
Warrants Outstanding 1,117,178us-gaap_ClassOfWarrantOrRightOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnOctoberTwoFiveTwoZeroOneThreeMember
1,250,000us-gaap_ClassOfWarrantOrRightOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnOctoberTwoFiveTwoZeroOneThreeMember
Exercise price $ 2.30invest_InvestmentWarrantsExercisePrice
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnOctoberTwoFiveTwoZeroOneThreeMember
 
Common stock to be purchased in the Offering 1,250,000us-gaap_CommonStockOtherSharesOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnOctoberTwoFiveTwoZeroOneThreeMember
 
Issued to Investors on November 17, 2014 [Member]    
Warrants Outstanding 2,734,590us-gaap_ClassOfWarrantOrRightOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnNovemberOneSevenTwoZeroOneFourMember
0us-gaap_ClassOfWarrantOrRightOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnNovemberOneSevenTwoZeroOneFourMember
Exercise price $ 2.31invest_InvestmentWarrantsExercisePrice
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnNovemberOneSevenTwoZeroOneFourMember
 
Common stock to be purchased in the Offering 2,734,590us-gaap_CommonStockOtherSharesOutstanding
/ ltbr_EquityTransactionAxis
= ltbr_IssuedToInvestorsOnNovemberOneSevenTwoZeroOneFourMember