XML 53 R24.htm IDEA: XBRL DOCUMENT
v3.25.2

Nature of Operations, Basis of Presentation, Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Details Narrative) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 USD ($)
US Treasury instruments purchased | $ 66.9
Idaho National Laboratory (INL) |
Percentage of research and development expense | 47.00%

X
- References No definition available. + Details
Name: | ltbr_InvestmentsInDebtSecuritiesPurchased
Namespace Prefix: | ltbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_ResearchAndDevelopmentPercentage
Namespace Prefix: | ltbr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=ltbr_INLMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |