XML 23 R7.htm IDEA: XBRL DOCUMENT
v3.25.3

Insider Trading Arrangements | 9 Months Ended
--- | ---
Sep. 30, 2025 shares
Insider Trading Arrangements [Line Items] |
Material Terms of Trading Arrangement [Text Block] | The adoption or termination of contracts, instructions or written plans for the purchase or sale of our securities by our Section 16 officers and directors for the three months ended September 30, 2025, each of which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act (“Rule 10b5-1 Plan”) and was adopted during an open insider trading window and no sales will commence under the plan until completion of the required cooling off period under Rule 10b5-1, were as follows:
Name | Title | Action | Date Adopted | Expiration Date | Aggregate # of Securities to be Purchased/Sold
Seth Grae(1) | Chief Executive Officer and Chairman of the Board | Adoption | 9/30/2025 | 12/30/2026 | 98,711
Andrey Mushakov(2) | Executive Vice President of Fuel Operations | Adoption | 9/30/2025 | 12/31/2026 | 180,593
Mark Tobin(3) | Director | Adoption | 9/30/2025 | 12/31/2026 | 15,000
(1) Seth Grae, the Chief Executive Officer and Chairman of the Board, entered into a pre-arranged stock trading plan pursuant to Rule 10b5-1 on September 30, 2025. Mr. Grae’s plan provides for the sale, subject to certain price limits, of up to 98,711 shares of the Company’s common stock in the aggregate. The plan terminates on December 30, 2026, unless terminated sooner in accordance with its terms.
(2) Andrey Mushakov, the Executive Vice President of Fuel Operations, entered into a pre-arranged stock trading plan pursuant to Rule 10b5-1 on September 30, 2025. Mr. Mushakov’s plan provides for the sale, subject to certain price limits, of up to 180,593 shares of the Company’s common stock in the aggregate. The plan terminates on December 31, 2026, unless terminated sooner in accordance with its terms.
(3) Mark Tobin, Director, entered into a pre-arranged stock trading plan pursuant to Rule 10b5-1 on September 30, 2025. Mr. Tobin’s plan provides for the sale at market price, of up to 15,000 shares of the Company’s common stock in the aggregate. The plan terminates on December 31, 2026, unless terminated sooner in accordance with its terms.
During the three months ended September 30, 2025, no other director or officer of the Company adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.
Rule 10b5-1 Arragement Terminated [Flag] | false
Non Rule 10b5-1 Arragement Adopted [Flag] | false
Non Rule 10b5-1 Arragement Terminated [Flag] | false
Trading Arrangement, Individual Name | Seth Grae
Rule 10b5-1 Arragement Adopted [Flag] | true
Trading Arrangement, Individual Title | Chief Executive Officer and Chairman of the Board
Trading Arrangement Adoption Date | 9/30/2025
Trading Arrangement Expiration Date | 12/30/2026
Trading Arrangement, Securities Aggregate Available Amount | 98,711
Trading Arrangement, Individual Name | Andrey Mushakov
Rule 10b5-1 Arrangement Adopted [Flag] | true
Trading Arrangement, Individual Title | Executive Vice President of Fuel Operations
Trading Arrangement Adoption Date | 9/30/2025
Trading Arrangement Expiration Date | 12/31/2026
Trading Arrangement, Securities Aggregate Available Amount | 180,593
Trading Arrangement, Individual Name | Mark Tobin
Rule 10b5-1 Arragement Adopted [Flag] | true
Trading Arrangement, Individual Title | Director
Trading Arrangement Adoption Date | 9/30/2025
Trading Arrangement Expiration Date | 12/31/2026
Trading Arrangement, Securities Aggregate Available Amount | 15,000

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a + Details
Name: | ecd_InsiderTradingArrLineItems
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrAdoptionDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph C + Details
Name: | ecd_TrdArrExpirationDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndName
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndTitle
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph D + Details
Name: | ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | ltbr_Rule10b51ArrAdoptedFlagSecond
Namespace Prefix: | ltbr_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_Rule10b51ArrAdoptedFlagThird
Namespace Prefix: | ltbr_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrAdoptionDateSecond
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrAdoptionDateThird
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrExpirationDateSecond
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrExpirationDateThird
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrIndNameSecond
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrIndNameThird
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrIndTitleSecond
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ltbr_TrdArrIndTitleThird
Namespace Prefix: | ltbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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