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Stockholders Equity and StockBased Compensation (Details 7) - Stock Based Compensation | Dec. 31, 2021 shares
--- | ---
2022 | 62,862
2023 | 62,864
2024 | 62,862
Total | 188,588

X
- References No definition available. + Details
Name: | ltbr_VestingSharesOutstanding
Namespace Prefix: | ltbr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ltbr_VestingSharesOutstandingYearOne
Namespace Prefix: | ltbr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ltbr_VestingSharesOutstandingYearThree
Namespace Prefix: | ltbr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ltbr_VestingSharesOutstandingYearTwo
Namespace Prefix: | ltbr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=ltbr_StockBasedCompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |