Document And Entity Information Note To Financial Statement Details Textual Significant Accounting Policies Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Investment, Policy [Policy Text Block] Note 2 - Fair Value Measurements us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 5 - Note Payable Fair Value Measurement Inputs and Valuation Techniques [Table] ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 8 - Stockholders' Equity Trading Arrangements, by Individual [Table] Note 2 - Fair Value Measurements - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) us-gaap_DebtInstrumentInterestRateEffectivePercentage Debt Instrument, Interest Rate, Effective Percentage Material Terms of Trading Arrangement [Text Block] Related and Nonrelated Parties [Axis] Note 2 - Fair Value Measurements - Investments Measured at Fair Value Using Significant Unobservable Inputs (Details) Financial Instrument [Axis] Note 2 - Fair Value Measurements - Additional Information about Level 3 Assets Measured at Fair Value on a Recurring Basis (Details) Note 5 - Note Payable - Scheduled Maturities (Details) Note 8 - Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Details) us-gaap_TreasuryStockSharesAcquired Treasury Stock, Shares, Acquired Note 8 - Stockholders' Equity - Computation of Comprehensive Earnings (Loss) Per Share (Details) Notes To Financial Statements us-gaap_SharePrice Share Price Notes To Financial Statements [Abstract] Schedule of Long-Term Debt Instruments [Table] us-gaap_TreasuryStockValue Less: Treasury Stock, 745,536 shares, at cost Schedule of Investments [Table] CASH FLOWS FROM OPERATING ACTIVITIES: CASH FLOWS FROM INVESTING ACTIVITIES CASH FLOWS FROM FINANCING ACTIVITIES: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash provided (used) by financing activities us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share (in dollars per share) us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities us-gaap_TreasuryStockAcquiredAverageCostPerShare Shares Acquired, Average Cost Per Share Preferred Stock in Aristotle [Member] Counterparty Name [Axis] Other expense: Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) Income Tax Jurisdiction [Domain] Accounting Policies [Abstract] Conversion of Debt into Common Stock [Member] Financial Instruments [Domain] Internal Revenue Service (IRS) [Member] Measurement Input Type [Axis] Income Statement [Abstract] Counterparty Name [Domain] Interest payable irns_InvestmentOwnedReturnOfCapital Investment Owned, Return of Capital Amount of return of capital on investment owned. Letter of Credit [Member] irns_InvestmentOwnedSharesSoldPricePerShare Investment Owned, Shares Sold, Price Per Share Per share or per unit price of shares sold for investment owned. irns_InvestmentOwnedSharesSoldDuringPeriodShares Investment Owned, Shares Sold During Period, Shares The number of shares sold during the period of investment owned. Treasury Stock, Common, Shares (in shares) Treasury Stock, Common, Shares us-gaap_NetIncomeLoss Net operating gain (loss) Net operating gain (loss) Adjustments to reconcile net loss to net cash used in operating activities: Award Type [Axis] Preferred stock, $0.01 par value, 5,000,000 shares authorized, no shares issued and outstanding us-gaap_Liabilities Total liabilities Plan Name [Axis] Plan Name [Domain] us-gaap_WarrantsAndRightsOutstandingTerm Warrants and Rights Outstanding, Term us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders' equity Compensation – stock options Share-Based Payment Arrangement, Expense Open Open amount excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Measurement Input Type [Domain] Title and Position [Axis] us-gaap_DebtConversionOriginalDebtAmount1 Debt Conversion, Original Debt, Amount us-gaap_DebtConversionConvertedInstrumentSharesIssued1 Debt Conversion, Converted Instrument, Shares Issued (in shares) irns_InvestmentOwnedIncreaseDecreaseInFairValue Investment Owned, Increase (Decrease) in Fair Value Represents the increase (decrease) in investment owned fair value. LIABILITIES AND STOCKHOLDERS' EQUITY: us-gaap_PreferredStockSharesIssued Preferred Stock, Shares Issued (in shares) us-gaap_PreferredStockSharesOutstanding Preferred Stock, Shares Outstanding, Ending Balance (in shares) Preferred Stock, Shares Authorized (in shares) Preferred Stock, Shares Authorized Income Tax, Policy [Policy Text Block] Preferred Stock, Par or Stated Value Per Share (in dollars per share) us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net increase (decrease) in cash Going Concern [Policy Text Block] The accounting policy for going concern. Related and Nonrelated Parties [Domain] Publicly Traded Common Stock [Member] Represents publicly traded common stock. irns_IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesExcludingInterestPayable Accounts payable and accrued expenses The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid, excluding interest payable. us-gaap_TreasuryStockValueAcquiredCostMethod Treasury Stock, Value, Acquired, Cost Method Related Party Transaction [Table] TangoMe, Inc, Series A Preferred Stock [Member] Represents the series A preferred stock of TangoMe, Inc. Related Party Transactions Disclosure [Text Block] Private Company Common Stock [Member] Represents privately common stock. New Accounting Pronouncements, Policy [Policy Text Block] Private Company Preferred Stock [Member] Represents private company preferred stock. us-gaap_ComprehensiveIncomeNetOfTaxAbstract COMPREHENSIVE LOSS, NET OF TAX irns_TreasuryStockAcquiredPercentageOutstandingShares Treasury Stock, Acquired, Percentage of Outstanding Shares The percentage of outstanding shares that were acquired during the period as treasury stock. Statement [Table] Equity Incentive Plan [Member] Represents the Equity Incentive Plan. California Franchise Tax Board [Member] irns_DebtInstrumentInterestRateDefaultPercentage Debt Instrument, Interest Rate, Default Percentage Contractual interest rate for funds borrowed in the event of a default, under the debt agreement. Credit Facility [Axis] Credit Facility [Domain] Fair Value Hierarchy and NAV [Domain] Income Tax Authority, Name [Axis] First Republic Bank [Member] Represents First Republic Bank. Income Tax Authority, Name [Domain] Measurement Frequency [Domain] Line of Credit Facility [Text Block] The entire disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. irns_InvestmentPurchasedValue Investment Purchased, Value The value of the investment purchased during the period. us-gaap_OpenTaxYear Open Tax Year us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 Debt Instrument, Basis Spread on Variable Rate irns_FranchiseTaxesInArrearsTotal Franchise Taxes in Arrears, Total Represents the amount of franchise taxes that are generally due in arrears for the prior calendar year. Statement of Financial Position [Abstract] Investments, fair value Investments, Fair Value Disclosure irns_InvestmentPurchasedShares Investment Purchased, Shares The number of shares of investment purchased during the period. irns_InvestmentPurchasedPricePerShare Investment Purchased, Price Per Share The price per share of investment purchased during the period. us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Realized Gain – private investment Unrealized loss on investments Line of Credit Facility, Lender [Domain] Franchise Tax Disclosure [Text Block] Represents the entire disclosure for franchise taxes. Lender Name [Axis] Common Shares of Buoy Health, Inc [Member] Represents the common shares of Buoy Health, Inc. Long-Term Debt, Type [Axis] Line of credit borrowings Long-Term Line of Credit, Total Fair Value, Recurring [Member] Line of Credit [Member] Cash paid during the period for state franchise taxes The amount of cash paid during the current period to the state as franchise tax. Line of Credit Facility [Table] Schedule of Comprehensive Earnings Per Share, Basic and Diluted [Table Text Block] Tabular disclosure of an entity's comprehensive basic and diluted earnings per share calculations. General and administrative expenses The aggregate total of expenses (income) 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. Cash Amount of currency on hand (overdrafts of currency) as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. irns_CashOverdraftsCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash at beginning of period Cash at end of period Amount of cash and cash equivalents (overdrafts), and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. dei_DocumentType Document Type Accounts payable and accrued expenses us-gaap_OperatingExpensesAbstract Operating expenses: us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price Document Information [Line Items] Document Quarterly Report Document Information [Table] Schedule of Maturities of Long-Term Debt [Table Text Block] Effect of dilutive potential shares (in shares) dei_EntityInteractiveDataCurrent Entity Interactive Data Current us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) ASSETS: Measurement Frequency [Axis] Document Transition Report Purchase Price [Member] Represents purchase price. us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Shares outstanding - diluted (in shares) Statement [Line Items] us-gaap_OperatingExpenses Total operating expenses Fair Value Hierarchy and NAV [Axis] us-gaap_CommonStockSharesIssued Common Stock, Shares, Issued (in shares) Basic gain (loss) per share us-gaap_CommonStockSharesOutstanding Common Stock, Shares, Outstanding (in shares) Award Type [Domain] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Common Stock, Shares Authorized (in shares) Common Stock, Shares Authorized us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Weighted average shares outstanding - basic (in shares) Weighted average shares outstanding (in shares) Net operating loss per share (in dollars per share) Net loss per share - diluted (in dollars per share) The amount of comprehensive income or loss for the period per each share-diluted. Note payable and accrued interest Net comprehensive profit (loss) per share (in dollars per share) The amount of comprehensive income or loss for the period per each share. Officer and director common stock options issued Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Notes Payable, Other Payables [Member] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Common stock, $0.01 par value, 25,000,000 shares authorized, of which 3,472,491 shares are issued and outstanding as of December 31, 2022 and 2,937,225 at December 31, 2021 Effective Income Tax Rate Reconciliation [Table] irns_NetComprehensiveIncomeLoss Net Comprehensive income (loss) Amount of net comprehensive income (loss) Title and Position [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Earnings Per Share, Policy [Policy Text Block] us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights Income Tax Jurisdiction [Axis] us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements irns_NetCashProvidedByUsedInOperatingActivitiesExcludingNetIncomeLoss Net cash used in operating activities Amount of net cash provided by used in operating activities excluding, net income loss. us-gaap_TableTextBlock Notes Tables Document Fiscal Period Focus Document Fiscal Year Focus Comprehensive Earnings (Loss) Comprehensive profit Loans Payable [Member] Amendment Flag Document Period End Date Non-marketable securities Nonrelated Party [Member] us-gaap_DividendIncomeOperating Dividend Income, Operating us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Legal Entity [Axis] us-gaap_ProceedsFromNotesPayable Proceeds from Notes Payable dei_EntityFileNumber Entity File Number Entity Tax Identification Number Supplemental noncash investing and financing activities: Additional paid-in capital - stock options Amount of excess of issue price over par or stated value of stock and from other transaction involving stock options. Entity [Domain] Entity Central Index Key dei_EntityRegistrantName Entity Registrant Name dei_EntityCurrentReportingStatus Entity Current Reporting Status Entity Incorporation, State or Country Code us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Current Fiscal Year End Date us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue Balance Balance Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Interest payable line of credit Amount of interest payable on line of credit. Entity Filer Category dei_EntityShellCompany Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Gain (Loss) from operations Valuation Approach and Technique [Axis] Marketable securities mark to market The amount of increase (decrease in marketable securities from mark to market adjustments. Income Tax Jurisdiction, Domestic Federal [Member] Net Operating Gain (Loss) irns_NetOperatingGainLoss The amount of net operating gain (loss). Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Income Tax Jurisdiction, Domestic State and Local [Member] Realized Gain – Private Investments Debt and Equity Securities, Realized Gain (Loss) Valuation, Cost Approach [Member] Total Mark to Market Gain/(Loss) Valuation Approach and Technique [Domain] Non-marketable securities mark to market Valuation, Market Approach [Member] Interest expense Interest Expense, Debt dei_EntityAddressStateOrProvince Entity Address, State or Province dei_EntityAddressCityOrTown Entity Address, City or Town Accumulated deficit dei_EntityAddressAddressLine1 Entity Address, Address Line One us-gaap_StockholdersEquityBeforeTreasuryStock Stockholders' Equity before Treasury Stock Class of Warrant or Right [Axis] Statement of Cash Flows [Abstract] Class of Warrant or Right [Domain] dei_CityAreaCode City Area Code dei_LocalPhoneNumber Local Phone Number dei_EntityAddressPostalZipCode Entity Address, Postal Zip Code Stockholders' equity Long-Term Debt, Type [Domain] Equity Components [Axis] us-gaap_DebtInstrumentConvertibleConversionPrice1 Debt Instrument, Convertible, Conversion Price (in dollars per share) Share-Based Payment Arrangement [Policy Text Block] irns_PolicyTable Paid in capital stock options Class of Stock [Axis] Equity Component [Domain] Prime Rate [Member] Fair Value, Inputs, Level 2 [Member] us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights Class of Warrant or Right, Number of Securities Called by Warrants or Rights Fair Value, Inputs, Level 3 [Member] Variable Rate [Domain] dei_Security12gTitle Title of 12(g) Security Fair Value, Inputs, Level 1 [Member] Equity [Text Block] dei_EntityCommonStockSharesOutstanding Entity Common Stock, Shares Outstanding (in shares) Chief Financial Officer [Member] TangoMe, Inc. [Member] Relating to TangoMe, Inc. Chief Executive Officer [Member] Director [Member] Unrealized holding gain (loss) arising during the period Note Renewal Warrants [Member] Relating to note renewal warrants. Professional fees A fee, net of any income, charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. Measurement Input, Quoted Price [Member] Purchase of investment Common Stock, Par or Stated Value Per Share (in dollars per share) Basis of Accounting, Policy [Policy Text Block] us-gaap_Assets Total Assets Substantial Doubt about Going Concern [Text Block] Fair Value Disclosures [Text Block] Share-Based Payment Arrangement, Option [Member] Supplemental disclosure of cash flow information: us-gaap_InvestmentOwnedAtFairValue Investment Owned, at Fair Value Investment [Text Block] State and local taxes Marketable securities us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi Proceeds from Sale of Equity Securities, FV-NI Consolidation, Policy [Policy Text Block] Dividend Income Realized Gain – return of capital Amount of dividend received from asset measured at fair value on recurring basis using unobservable input (level 3). References Cash paid during the period for interest Long-Term Debt [Text Block] Accumulated other comprehensive Income us-gaap_PaymentsToAcquireInvestments Payments to Acquire Investments, Total Additional paid-in capital us-gaap_StockholdersEquity Total stockholders' equity Debt Conversion, Name [Domain] Debt Conversion Description [Axis] Use of Estimates, Policy [Policy Text Block] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) us-gaap_StockIssuedDuringPeriodValueNewIssues Stock Issued During Period, Value, New Issues Stock, Class of Stock [Table] us-gaap_DebtInstrumentCarryingAmount Long-Term Debt, Gross Nature of Operation, Product Information, Concentration of Risk [Table] us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount Fair Value, Recurring and Nonrecurring [Table] ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] us-gaap_GrossProfit Gain (loss) from operations ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] us-gaap_StockIssuedDuringPeriodSharesNewIssues Stock Issued During Period, Shares, New Issues (in shares) us-gaap_InvestmentVariableInterestRateTypeExtensibleEnumeration Investment, Variable Interest Rate, Type [Extensible Enumeration]