Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY

v2.4.1.9
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY (USD $)
Common Stock [Member]
Additional Paid-In Capital [Member]
Deficit [Member]
Total
Beginning Balance at Dec. 31, 2012 $ 12,526us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 71,955,631us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (66,212,849)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 5,758,433us-gaap_StockholdersEquity
Beginning Balance (Shares) at Dec. 31, 2012 12,526,240us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Proceeds from the sale of common stock - net of offering costs 2,531ltbr_ProceedsFromTheSaleOfCommonStockNetOfOfferingCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
3,958,634ltbr_ProceedsFromTheSaleOfCommonStockNetOfOfferingCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  3,958,040.09ltbr_ProceedsFromTheSaleOfCommonStockNetOfOfferingCosts
Proceeds from the sale of common stock - net of offering costs (Shares) 2,531,003ltbr_ProceedsFromTheSaleOfCommonStockNetOfOfferingCostsShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Net loss for the year     (4,864,961)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(4,864,961)us-gaap_NetIncomeLoss
Stock-based compensation   329,499us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  329,499us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
Ending Balance at Dec. 31, 2013 15,057us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
76,243,764us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(71,077,810)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
5,181,011us-gaap_StockholdersEquity
Ending Balance (Shares) at Dec. 31, 2013 15,057,243us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Net loss for the year     (4,817,044)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(4,817,044)us-gaap_NetIncomeLoss
Stock-based compensation   282,275us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  282,275us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
Common Stock issued - registered offering and exerise of stock warrants - net of offering costs 3,026ltbr_SharesIssuedRegisteredDirectOfferingNetOfOfferingCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
4,750,300ltbr_SharesIssuedRegisteredDirectOfferingNetOfOfferingCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  4,753,326ltbr_SharesIssuedRegisteredDirectOfferingNetOfOfferingCosts
Common Stock issued - registered offering and exerise of stock warrants - net of offering costs (Shares) 3,025,631ltbr_SharesIssuedRegisteredDirectOfferingNetOfOfferingCostsShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Ending Balance at Dec. 31, 2014 $ 18,083us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 81,276,339us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (75,894,854)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 5,399,568us-gaap_StockholdersEquity
Ending Balance (Shares) at Dec. 31, 2014 18,082,874us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember