Document And Entity Information Document Information [Table] Document Information [Line Items] Document And Entity Information Document Type Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Condensed Consolidated Balance Sheets Assets [Abstract] ASSETS Assets, Current [Abstract] Current Assets Cash and Cash Equivalent Cash and cash equivalents Prepaid Expense, Current Prepaid expenses Other Assets, Current Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Prepaid Expense, Noncurrent Long-term prepaid expenses Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current Liabilities Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Operating Lease, Liability, Current Operating lease liabilities - current Accrued Salaries, Current Accrued compensation Deferred Compensation Share-Based Arrangements, Liability, Current RSU liability award Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities - non-current Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 6) Equity, Attributable to Parent [Abstract] Stockholders' equity (deficit) Common Stock, Value, Issued Common stock, par value $0.0001 and $0.0001 per share, 300,000,000 shares authorized, 59,745,938 and 51,099,089 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Equity, Attributable to Parent Ending balance Beginning balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common stock shares, par value Common Stock, Shares Authorized Common stock, shares authorized Common stock shares, authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Ending balance (in shares) Beginning balance (in shares) Common stock, shares outstanding Condensed Consolidated Statements of Operations Operating Expenses [Abstract] Operating expenses General and Administrative Expense General and administrative expenses Research and Development Expense Research and development expenses Operating Expenses Operating expenses Operating Income (Loss) Operating loss Nonoperating Income (Expense) [Abstract] Other non-operating income (expense) Investment Income, Interest Interest income Derivative, Gain (Loss) on Derivative, Net Change in fair value of SAFE notes Change in fair value of SAFE Notes Other Nonoperating Income (Expense) Other income Nonoperating Income (Expense) Total non-operating income (expense) Net loss Net loss Weighted Average Number of Shares Outstanding, Basic Basic weighted average shares outstanding of common stock (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted weighted average shares outstanding of common stock (in shares) Earnings Per Share, Basic Basic net loss per share of common stock (in dollars per share) Earnings Per Share, Diluted Diluted net loss per share of common stock (in dollars per share) Condensed Consolidated Statements of Stockholders' Equity (Deficit) Statement [Table] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Accumulated Deficit Statement [Line Items] Statement APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Issuance of restricted stock awards (in Shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Cancellation/forfeiture of restricted stock awards (in Shares) Amount of increase to additional paid-in capital (APIC) for RSU liability award reclassified from liability to equity. Adjustments To Additional Paid In Capital, Rsu Liability Award Reclassification RSU liability award, reclassified from liability to equity Modification of RSU liability award Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Vesting of restricted stock units (in shares) Stock Issued During Period, Value, New Issues Issuance of common stock Issuance of private placement common stock Stock Issued During Period, Shares, New Issues Issuance of private placement common stock (in shares) Issuance of common stock (in shares) Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Offering costs Adjustments to Additional Paid in Capital, Warrant Issued Issuance of placement agent warrants (equity component) Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing warrants. Adjustments to Additional Paid in Capital, Warrant Issued, Issuance Costs Issuance costs - placement agent warrants (non-cash) Gross proceeds received from the issuance of common stock in the entity's initial public offering. Issuance of Initial Public Offering Common Stock Amount Issuance of initial public offering common stock Number of shares of common stock issued in connection with the entity's initial public offering during the reporting period. Issuance of Initial Public Offering Common Stock, Shares Issuance of initial public offering common stock (in Shares) Costs incurred in connection with the initial public offering, including underwriting discounts, commissions and other offering-related expenses. Underwriting Discounts and Offering Costs Related to the Initial Public Offering Underwriting discounts and offering costs related to the initial public offering Number of shares of common stock issued upon the cashless exercise of equity-classified warrants during the reporting period. Issuance of Common Stock for Cashless Exercise of Equity Component Warrants, Shares Issuance of common stock for cashless exercise of equity component warrants (in Shares) Number of shares of common stock issued upon the conversion or settlement of SAFE (Simple Agreement for Future Equity) instruments into common stock. Issuance of Common Stock to Former SAFE Note Holders, Shares Issuance of common stock to former SAFE note holders (in Shares) Condensed Consolidated Statements of Cash Flows Sale of Stock [Axis] Sale of Stock [Domain] Represents information pertaining to Private Placement (PIPE investors). Private Placement, PIPE [Member] Private Placement PIPE investors IPO [Member] Initial public offering Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Share-Based Payment Arrangement, Noncash Expense Stock-based compensation Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense Prepaid expenses Increase (Decrease) in Other Current Assets Other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued compensation Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash used in operating activities Net cash used in operating activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities: Proceeds from Derivative Instrument, Financing Activities Proceeds from convertible SAFE notes Total cash proceeds Proceeds from Issuance of Private Placement Proceeds from private placement Aggregate purchase price Payments of Stock Issuance Costs Offering costs paid Offering costs paid The cash inflow associated with the amount received from entity's first offering of stock to the public, net of underwriting expense. Proceeds From Issuance Initial Public Offering, Net Of Underwriting Discount Proceeds from initial public offering, net of underwriting discounts Gross proceeds received Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents, end of the period Cash and cash equivalents, beginning of the year Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: Fair Value of Assets Acquired Subscription of SAFE notes Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-use assets obtained in exchange for lease obligations, Operating lease liabilities Description of Business and Basis of Presentation Business Description and Basis of Presentation [Text Block] Description of Business and Basis of Presentation Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Property and Equipment SAFE Notes Derivative Instruments and Hedging Activities Disclosure [Text Block] SAFE Notes Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Stockholders' Equity Equity [Text Block] Stockholders' Equity Income Taxes Income Tax Disclosure [Text Block] Income Taxes Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions Subsequent Events Subsequent Events [Text Block] Subsequent Events Restatement of Previously Issued Consolidated Financial Statements and Unaudited Interim Financial Information Error Correction [Text Block] Restatement of Previously Issued Consolidated Financial Statements and Unaudited Interim Financial Information Segment Reporting, Policy [Policy Text Block] Segments Use of Estimates, Policy [Policy Text Block] Use of Estimates Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Disclosure of accounting policy for SAFE notes. SAFENotes Policy Text Block SAFE Notes Research and Development Expense, Policy [Policy Text Block] Research and Development Expenses Share-Based Payment Arrangement [Policy Text Block] Stock-Based Compensation Earnings Per Share, Policy [Policy Text Block] Net Loss Per Common Share Income Tax, Policy [Policy Text Block] Income Tax (Provision) Benefit New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements Tabular disclosure of information pertaining to shares issued and outstanding pertaining to business combination. Business Combination, Shares Issued and Outstanding [Table Text Block] Schedule of business combination shares issued and outstanding Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Schedule of SAFE and RSU liability were carried at fair value and classified as Level 3 liabilities Tabular disclosure of estimated useful lives. Schedule Of Estimated Useful Lives Table Text Block Schedule of estimated useful lives Property, Plant and Equipment [Table Text Block] Schedule of property and equipment Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Schedule of key assumptions Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of fair value on a recurring basis using significant unobservable inputs Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Schedule of restricted common stock award activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of RSU activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule of stock options activity Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of significant assumptions used for stock options valuation Business Combination [Table] Business Combination [Axis] Business Combination [Domain] Represents information pertaining to Legacy Deep Fission. Legacy Deep Fission [Member] Legacy Deep Fission Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Represents information pertaining to Placement Agent Warrants. Placement Agent Warrants [Member] Placement Agent Warrants Business Combination [Line Items] Description of Business and Basis of Presentation Sale of Stock, Consideration Received on Transaction Net proceeds from initial public offering Net proceeds from the IPO Number of shares of equity interest issued or issuable by acquirer for each share converted in a business combination. Business Combination, Conversion, Number of Shares Issued Per Share Number of shares issued per share (in shares) Stock Issued During Period, Shares, Issued for Services Shares issued for services (in shares) Shares Issued, Price Per Share Purchase price (in dollars per share) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Warrants to purchase (in shares) Counterparty Name [Axis] Counterparty Name [Domain] Represents information pertaining to Legacy Surfside shareholders. Legacy Surfside Shareholders [Member] Legacy Surfside shareholders Represents information pertaining to Advisor. Advisor [Member] Advisor Stock Issued During Period, Shares, Acquisitions Shares issued Property, Plant and Equipment [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Warrant [Member] Warrant Restricted Stock Units (RSUs) [Member] RSUs Restricted Stock Units Restricted Stock [Member] Restricted Stock Restricted Common Stock Schedule of Estimated Useful Lives [Line Items] Summary of Significant Accounting Policies Number of Reportable Segments Reportable segment Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Amount of fair value assets out of level 1 into level 2 Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Amount of fair value assets out of level 2 into level 1 Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Amount of fair value liabilities out of level 1 into level 2 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Asset transfers net Time Deposits, at or Above FDIC Insurance Limit Amount of cash exceeding the FDIC insurance Impairment, Long-Lived Asset, Held-for-Use Impairment loss Property, Plant and Equipment, Useful Life Equipment, Useful Life Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Anti-dilutive (in shares) Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 3 [Member] Level 3 Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Measurements Summary of Significant Accounting Policies Property, Plant and Equipment, Gross Property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Depreciation Depreciation Derivative Instruments, Gain (Loss) [Table] Derivative Instrument [Axis] Derivative Contract [Domain] Represents the information pertaining to SAFE Notes. Safe Notes [Member] SAFE Notes Derivative Instruments, Gain (Loss) [Line Items] SAFE Notes The value of derivative instrument issued. Value of Derivative Instrument Issued SAFE issued notes The cash inflow from issuance of derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments. Proceeds from Derivative Instrument, Financing Activities, Issuance Proceeds from issuance of SAFE Notes The cash inflow from subscription of derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments. Proceeds from Derivative Instrument, Financing Activities, Subscription Cash received from subscription of SAFE Notes Derivative, Fair Value, Net Estimated fair value of SAFE Notes Number of stock issued during the period upon conversion of derivative instruments. Stock Issued During Period, Shares, Conversion of Derivative Instruments Issuance of common stock upon conversion of SAFE Notes (in shares) Fair Value Measurement Inputs and Valuation Techniques [Table] Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input, Price Volatility [Member] Asset volatility Measurement Input, Risk Free Interest Rate [Member] Risk-free rate Measurement Input, Expected Term [Member] Expected term Schedule of Key Assumptions [Line Items] Fair Value Measurements Derivative Liability, Measurement Input Measurement input Equity event term. Equity Event Term Equity event term Liquidity event term. Liquidity Event Term Liquidity event term Measurement Frequency [Axis] Measurement Frequency [Domain] Fair Value, Recurring [Member] Recurring Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Ending balance Beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances SAFE Notes issued during the period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Change in fair value during the period Long-Term Purchase Commitment, Amount Purchase low-enriched uranium fuel at a cost Amount of additional purchase commitment recognized during the reporting period. Additional Purchase Commitment Amount New purchase commitment Area of Land Area of land Lessee, Operating Lease, Term of Contract Non cancelable lease term Amount the lessee would be required to pay to purchase the underlying leased asset upon exercise of a purchase option that becomes exercisable only if specified contingent conditions are satisfied. Lessee, Operating Lease, Purchase Option, Contingent Purchase Price Purchase price for options Stock, Class of Stock [Table] Represents information pertaining to February 2026 Warrants. February 2026 Warrants [Member] February 2026 Warrants Scenario [Axis] Scenario [Domain] Represent the information pertaining to period after Closing Date. Five Years After Closing Date [Member] Earlier of (i) Five years after the Closing Date Represent the information pertaining to period after listing of common stock on National Securities Exchange. Three Years After Shares Listed On Nse [Member] Earlier of (ii) Three years after the listing of common stock on NSE Class of Stock [Line Items] Stockholders' Equity Amount of underwriting discounts and commissions. Underwriting Expense Underwriting discounts and commissions Amount of expense of stock issuance costs. Stock Issuance Costs Offering expenses Deferred Offering Costs Offering expenses included in accounts payable and accrued expenses Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price Warrants and Rights Outstanding, Term Warrant expiration term (in years) Grant date fair value per share or per unit of warrants or rights. Class of Warrant or Right, Grant Date Fair Value Per Share Warrant, grant date fair value per share The total grant date fair value of warrants or rights issued. Class of Warrant or Right, Total Grant Date Fair Value Of Warrants Of Rights Issued Warrant, grant-date fair value Number of warrants or rights exercised. Class of Warrant Or Right, Number of Warrants Exercised Warrants exercised (in shares) Number of shares issued for exercise of warrants. Stock Issued During Period, Shares, Exercise Of Warrants Number of shares issued for exercise of warrants (in shares) Amount of cash inflow from exercise of warrants. Proceeds From Exercise of Warrants Cash proceeds from exercise of warrants Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Plan Name [Axis] Plan Name [Domain] Represents the information pertaining to 2025 Equity Incentive Plan (the "2025 Plan") which permits the grant of the following Awards: (i) Incentive Stock Options; (ii) Non-statutory Stock Options; (iii) SARs; (iv) Restricted Stock Awards; (v) RSU Awards; (vi) Performance Awards; and (vii) Other Awards. Equity Incentive Plan, 2025 [Member] 2025 Equity Incentive Plan Represents information pertaining to pre-merger equity plan. Pre Merger Equity Plan [Member] Pre-Merger equity plan Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Stockholders' Equity Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Aggregate number of shares of authorized to issue under the plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Vesting period Period of annual incremental in shares issuance under the equity incentive plan. Share-Based Compensation Arrangement By Share-Based Payment Award, Annual Shares Issuance Incremental Period Duration of annual incremental in share issuance under plan from year 2027-2035 (in years) Percentage(%) of annual incremental in shares issuance under the equity incentive plan. Share-Based Compensation Arrangement By Share-Based Payment Award, Annual Increase In Authorized Shares, Percentage Percentage of annual incremental in share issuance under plan (in %) Share-Based Payment Arrangement, Disclosure [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Ending Balance (in shares) Beginning Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted Average Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Ending Balance (in dollars per share) Beginning Balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Number of Options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Ending Balance (in shares) Beginning Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Forfeited or cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Exercisable as of June 30, 2026 (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted Average Fair Value (in $ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Ending Balance (in $ per share) Beginning Balance (in $ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Granted (in $ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value Forfeited or cancelled (in $ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable as of June 30, 2026 (in $ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate (Minimum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate (Maximum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility (Minimum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected volatility (Maximum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield (in %) Share-Based Payment Arrangement, Expense Stock-based compensation expense An excess of the fair value of the modified award over the fair value per share of the award immediately after the modification. Share-Based Payment Arrangement, Plan Modification, Fair Value Per Share Fair value per share Share-Based Payment Arrangement, Plan Modification, Incremental Cost Total incremental compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Unrecognized stock-based compensation Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Period during unrecognized stock-based compensation is expected to recognized (in years) Preferred Stock, Shares Authorized Preferred stock shares, authorized Preferred Stock, Par or Stated Value Per Share Preferred stock shares, par value (in dollars per share) Preferred Stock, Shares Issued Preferred stock shares issued Preferred Stock, Shares Outstanding Preferred stock shares outstanding Income Tax Expense (Benefit) Income tax benefit Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal taxes at statutory rate Related Party Transaction [Table] Represents information pertaining to Deep Isolation Nuclear, Inc. Deep Isolation Nuclear Inc [Member] Deep Isolation Nuclear Inc Related Party Transaction [Line Items] Related Party Transactions Related Party Transaction, Amounts of Transaction Payment made by company Subsequent Events (Details) [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event Over-Allotment Option [Member] Over-allotment Subsequent Event [Line Items] Subsequent Events Period during which the underwriters have an option to purchase additional shares. Threshold Period To Purchase Additional Shares Threshold period to purchase additional shares Common Stock, Capital Shares Reserved for Future Issuance Option to purchase additional shares Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Number of additional shares authorized