Annual report pursuant to Section 13 and 15(d)

Research and Development Costs (Narrative) (Details)

v2.4.1.9
Research and Development Costs (Narrative) (Details) (Approximations [Member], USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Approximations [Member]
    
Research and development costs $ 1,500,000ltbr_ResearchAndDevelopmentCosts
/ us-gaap_StatementScenarioAxis
= ltbr_ApproximationsMember 		$ 2,000,000ltbr_ResearchAndDevelopmentCosts
/ us-gaap_StatementScenarioAxis
= ltbr_ApproximationsMember
Consulting agreement monthly payments $ 10,000ltbr_ConsultingAgreementMontlyPayments
/ us-gaap_StatementScenarioAxis
= ltbr_ApproximationsMember