XML 55 R22.htm IDEA: XBRL DOCUMENT
v3.22.4

Description of Organization and Business Operations (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 18, 2021 | Dec. 31, 2022
Description of Organization and Business Operations (Details) [Line Items] |  |
Generating gross proceeds | $ 345,000,000 |
Incurring offering costs | 19,100,000 |
Deferred underwriting commissions | 11,700,000 |
Offering costs | $ 593,000 |
Maturity of money market funds |  | 185 days
Fair market value |  | 80.00%
Price per public share (in Dollars per share) |  | $ 10
Net tangible assets |  | $ 5,000,001
Interest to pay dissolution expenses |  | $ 100,000
Business combination agreement, description |  | RONI will change its jurisdiction of incorporation by deregistering as a Cayman Islands exempted company and continuing and domesticating as a corporation incorporated under the laws of the State of Delaware, upon which (a) RONI will change its name to “NET Power Inc.” (the “combined company”), (b) each then issued and outstanding Class A ordinary share of a par value $0.0001 each in the capital of RONI will convert automatically, on a one-for-one basis, to a share of Class A common stock, par value $0.0001 per share, of RONI (“Class A Common Stock”), (c) each then issued and outstanding Class B ordinary share of a par value $0.0001 each in the capital of RONI will convert automatically, on a one-for-one basis, to a share of Class B common stock, par value $0.0001 per share, of RONI (“Class B Common Stock”), and (d) each issued and outstanding warrant to purchase one Class A ordinary share in the capital of RONI at a price of $11.50 per share will convert automatically, on a one-for-one basis, into a whole warrant exercisable for one share of Class A Common Stock;
Aggregate share (in Shares) |  | 135,698,078
Net tangible assets |  | $ 5,000,001
Aggregate amount |  | 200,000,000
Operating bank account |  | 1,600,000
Working capital |  | 3,100,000
Cover expenses |  | 25,000
Sponsor pursuant |  | 126,000
Initial Public Offering [Member] |  |
Description of Organization and Business Operations (Details) [Line Items] |  |
Initial public offering units (in Shares) | 34,500,000 |
Aggregate amount |  | $ 6,700,000
Over Allotment Option [Member] |  |
Description of Organization and Business Operations (Details) [Line Items] |  |
Price per share (in Dollars per share) | $ 10 |
Private Placement Warrant [Member] |  |
Description of Organization and Business Operations (Details) [Line Items] |  |
Number of warrants (in Shares) |  | 10,900,000
Price per warrant (in Dollars per share) |  | $ 1
Generating proceeds |  | $ 10,900,000
Net proceeds |  | $ 345,026,000
Class A Ordinary Shares |  |
Description of Organization and Business Operations (Details) [Line Items] |  |
Initial public offering units (in Shares) | 4,500,000 |
Common stock ,par value (in Dollars per share) |  | $ 0.0001
Price per public share (in Dollars per share) |  | $ 12
Business Combination [Member] |  |
Description of Organization and Business Operations (Details) [Line Items] |  |
Business combination acquires voting securities |  | 50.00%

X
- Definition Aggregate amount. + References No definition available. + Details
Name: | roni_AggregateAmount
Namespace Prefix: | roni_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate Share Value means an amount equal to the product the number of shares of Common Stock issued to Seller on the Closing Date multiplied by the Measurement Price. + References No definition available. + Details
Name: | roni_AggregateShare
Namespace Prefix: | roni_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business combination agreement, description. + References No definition available. + Details
Name: | roni_BusinessCombinationAgreementDescription
Namespace Prefix: | roni_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deferred underwriting commissions + References No definition available. + Details
Name: | roni_DeferredUnderwritingCommissions
Namespace Prefix: | roni_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Generating gross proceeds + References No definition available. + Details
Name: | roni_GeneratingGrossProceeds
Namespace Prefix: | roni_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Maturity of money market funds term. + References No definition available. + Details
Name: | roni_MaturityOfMoneyMarketFundsTerm
Namespace Prefix: | roni_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | roni_OperatingBankAmount
Namespace Prefix: | roni_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | roni_OverAllotmentPricePerShare
Namespace Prefix: | roni_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of fair market value. + References No definition available. + Details
Name: | roni_PercentageOfFairMarketValue
Namespace Prefix: | roni_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sponsor pursuant + References No definition available. + Details
Name: | roni_SponsorPursuant
Namespace Prefix: | roni_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Issued During Period Shares New Issues. + References No definition available. + Details
Name: | roni_StockIssuedDuringPeriodSharesNewIssuess
Namespace Prefix: | roni_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of working capital deficit. + References No definition available. + Details
Name: | roni_WorkingCapitalDeficit
Namespace Prefix: | roni_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of net assets (liabilities). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=77885760&loc=SL35686385-199418 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 205 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=118262037&loc=d3e9915-115836 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 220 -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(7)) -URI https://asc.fasb.org/extlink&oid=120401555&loc=SL114874367-224272 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 2 -Subparagraph (SX 210.6-05(4)) -URI https://asc.fasb.org/extlink&oid=120401414&loc=d3e604008-122996 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 220 -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(6)) -URI https://asc.fasb.org/extlink&oid=120401555&loc=SL114874367-224272 + Details
Name: | us-gaap_AssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount per share of no-par value common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockNoParValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cumulative amount of offering costs allocated to the general partner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_GeneralPartnersOfferingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_OtherCostAndExpenseOperating
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4,6) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.7) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
Name: | us-gaap_OtherExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cumulative amount of offering costs allocated to the other unit holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_OtherOwnershipInterestsOfferingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cash inflow before closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 50 -URI https://asc.fasb.org/extlink&oid=123386837&loc=d3e51831-112757 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 51 -URI https://asc.fasb.org/extlink&oid=123386837&loc=d3e51840-112757 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 52 -URI https://asc.fasb.org/extlink&oid=123386837&loc=d3e51843-112757 + Details
Name: | us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=roni_BusinessCombinationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |