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Related Party Transactions - Statement Of Operations Related Party Transactions (Details) - USD ($) $ in Thousands | 1 Months Ended | 2 Months Ended | 3 Months Ended | 5 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 07, 2023 | Jun. 30, 2024 | Jun. 07, 2023 | Jun. 30, 2024
Related Party Transaction [Line Items] |  |  |  |  |
Option settlement – related party | $ 79,054 | $ 0 | $ 0 | $ 0 | $ 0
Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
General and administrative | 14 | 62 | 27 | 177 | 52
Research and development | 87 | 5,779 | 395 | 12,243 | 662
Option settlement – related party | 79,054 | 0 | 0 | 0 | 0
Related Party | BHES |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Research and development | 0 | 5,527 | 0 | 11,713 | 0
Related Party | Master services agreement administrative costs |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
General and administrative | 14 | 37 | 27 | 80 | 52
Related Party | Engineering support provided by former board member |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
General and administrative | 0 | 25 | 0 | 97 | 0
Related Party | Master services agreement costs for Demonstration Plant |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Research and development | $ 87 | $ 252 | $ 395 | $ 530 | $ 662

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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1 + Details
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 3: 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 4: 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/1943274/2147479532/912-730-25-1 + Details
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