XML 43 R21.htm IDEA: XBRL DOCUMENT v3.25.1

Stockholders Equity and StockBased Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Stockholders Equity and StockBased Compensation

Schedule Of stock option

		Number of Options				Weighted Average Exercise Price				Weighted-Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding, December 31, 2024			464,940			$	16.24				3.07			$	184,818
Granted			10,448				9.42								—
Exercised			(45,934	)			4.80								310,093
Forfeited			—				—								—
Expired			—				—								—
Outstanding, March 31, 2025			429,454			$	17.29				2.53				469,719
Vested and expected to vest, end of the period			429,454			$	17.29				2.53				469,719
Options exercisable, end of the period			409,789			$	17.97				2.22			$	387,153

Schedule Of Share-based Compensation, Stock Options, Activity

		Three Months Ended
		March 31,
		2025				2024
Expected volatility			117.44	%			75.36	%
Risk free interest rate			3.95	%			4.54	%
Dividend yield rate			—				—
Expected life		2 years				2 years
Closing price per share - common stock		$	9.42			$	2.62

Schedule Of outstanding RSA

		Number of Shares				Weighted- Average Grant Date Fair Value				Aggregate Fair Value
Outstanding, December 31, 2024			781,864			$	5.19			$	3,698,217
Awards granted			57,940				8.63				500,022
Awards vested			(96,102	)			5.67				737,535
Awards forfeited			—				—				—
Outstanding, March 31, 2025			743,702			$	5.40			$	5,548,017

Schedule of stock based compensation expense

		Three Months Ended
		March 31,
		2025				2024
Research and development expenses		$	0.2			$	0.1
General and administrative expenses			1.1				0.4
Total stock-based compensation expense		$	1.3			$	0.5

X

- References

No definition available.

+ Details

Name:	ltbr_ScheduleOfOutstandingRSATableTextBlock
Namespace Prefix:	ltbr_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the change in stock options.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration