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Related Party Transactions | 9 Months Ended
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Sep. 30, 2023
Related Party Transactions [Abstract] |
Related Party Transactions | Related Party Transactions Related Party Transactions - The Company had $288 and $178 in current liabilities payable to related parties as of September 30, 2023 (Successor) and December 31, 2022 (Predecessor), respectively. These related party payables are unsecured and are due on demand. The Company had $0 and $2,212 in long term liabilities payable to related parties as of September 30, 2023 (Successor) and December 31, 2022 (Predecessor), respectively. Share Purchase Option - One of the Company’s shareholders owned an option to purchase up to 711,111 membership interests from NET Power, LLC if NET Power, LLC met certain performance conditions, which it did not achieve prior to the close of the Business Combination. Immediately prior to the close of the Business Combination (Note C), the option holder received 247,655 NET Power, LLC membership interests worth approximately $79,054 in exchange for retiring the purchase option. The membership interests converted into 7,905,279 Class A OpCo Units and a corresponding quantity of shares of Class B Common Stock in conjunction with the Business Combination. The loss generated from the settlement of the share purchase option is recorded as Option settlement - related party expense on the Consolidated Statements of Operations and Comprehensive Loss. MSA – A significant shareholder has provided the Company with marketing services, patent administration services and technology maintenance services related to the development of the NET Power Cycle. The total cost incurred for these services was $79 and $51 during the period from January 1, 2023 through June 7, 2023 (Predecessor) and the period from June 8, 2023 through September 30, 2023 (Successor), respectively. The total cost incurred for these services was $47 and $183 during the three month and nine month periods ended September 30, 2022 (Predecessor), respectively. These totals are included in General and administrative - related party on the Consolidated Statements of Operations and Comprehensive Loss. Another shareholder supports the Company with regard to general business oversight and with the operation of the Demonstration Plant. The total cost incurred for these services was $530 and $433 during the period from January 1, 2023 through June 7, 2023 (Predecessor) and the period from June 8, 2023 through September 30, 2023 (Successor), respectively. The total cost incurred for these services was $184 and $790 during the three month and nine month periods ended September 30, 2022 (Predecessor), respectively. These totals are reflected in Research and development - related party on the Consolidated Statements of Operations and Comprehensive Loss.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481062/946-235-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481062/946-235-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 Reference 7: 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)(g)(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 8: 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)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 9: 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)(e)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//850/tableOfContent Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-6 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 + Details
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