XML 50 R28.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2

Research and Development Costs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Research and development expenses	$ 1,023,823	$ 448,044
Romania Feasibility Study [Member]
Research and development expenses	100,000	0
Centrus Energy FEED Study [Member]
Research and development expenses	200,000	0
Allocated employee compensation and stock-based compensation expenses [Member]
Research and development expenses	200,000	100,000
Other outside R&D expenses [Member]
Research and development expenses	100,000	100,000
Research And Development Expense [Member]
Research and development expenses	1,000,000.0	400,000
INL [Member]
Research and development expenses	$ 400,000	$ 200,000

X

- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 730
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482916/730-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 912
-SubTopic 730
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482517/912-730-25-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481283/985-20-50-1

+ Details

Name:	us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ltbr_ResearchAndDevelopmentExpenseRomaniaFeasibilityStudyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ltbr_ResearchAndDevelopmentExpenseCentrusEnergyFEEDStudyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ltbr_ResearchAndDevelopmentExpenseAllocatedEmployeeCompensationStockbasedCompensationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ltbr_ResearchAndDevelopmentExpenseOtherOutsideRandDExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ltbr_ResearchAndDevelopmentExpenseINLMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: