Document And Entity Information Note To Financial Statement Details Textual Significant Accounting Policies Note 3 - Intangible Assets, Net ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 4 - Lease Vesting of restricted stock units (in shares) ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 7 - Equity Incentive Plan Trading Arrangements, by Individual [Table] Note 3 - Intangible Assets - Schedule of Intangible Assets, Net (Details) Trademarks [Member] Material Terms of Trading Arrangement [Text Block] Note 4 - Lease - Future Minimum Payments (Details) Note 7 - Equity Incentive Plan - Stock Option Activity (Details) Note 7 - Equity Incentive Plan - Other Award Activity (Details) Notes To Financial Statements Notes To Financial Statements [Abstract] us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Cash flows from operating activities: Cash flows from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Cash flows from financing activities: Business Description and Basis of Presentation [Text Block] us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by (used in) financing activities Write-off of property and equipment ipwr_BaseRentIncreasePercentPerYear Base Rent Increase, Percent, Per Year The percentage of annual base rate increase. Accounting Policies [Abstract] ipwr_WarrantsIssuedPricePerWarrant Warrants Issued, Price Per Warrant Represents the price per warrant for warrants issued during the period. us-gaap_LesseeOperatingLeaseDiscountRate Lessee, Operating Lease, Discount Rate us-gaap_LesseeOperatingLeaseRemainingLeaseTerm Lessee, Operating Lease, Remaining Lease Term Income Statement [Abstract] us-gaap_IncreaseDecreaseInInventories Inventory us-gaap_SharesOutstanding Balances (in shares) Balances (in shares) Decrease (increase) in operating assets: Other Intangible Assets [Member] us-gaap_NumberOfOperatingSegments Number of Operating Segments us-gaap_TreasuryStockCommonValue Treasury stock, at cost, 1,321 shares at June 30, 2026 and December 31, 2025 us-gaap_ContractualObligation Contractual Obligation Treasury Stock, Common, Shares (in shares) Balances (in shares) Balances (in shares) Treasury Stock, Common [Member] Increase (decrease) in operating liabilities: Net loss Net loss Adjustments to reconcile net loss to net cash used in operating activities: Award Type [Axis] us-gaap_Liabilities Total liabilities Plan Name [Axis] Plan Name [Domain] us-gaap_AmortizationOfIntangibleAssets Intangible Asset, Finite-Lived, Amortization Expense us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders’ equity us-gaap_AllocatedShareBasedCompensationExpense Share-Based Payment Arrangement, Expense us-gaap_AreaOfRealEstateProperty Area of Real Estate Property (Square Foot) Title and Position [Axis] Interest income, net us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other assets Sales and marketing us-gaap_ShareBasedCompensation Stock-based compensation Lessee, Lease, Description [Table] Share-Based Payment Arrangement [Text Block] Lease Contractual Term [Axis] Lease Contractual Term [Domain] Accounts payable us-gaap_IncreaseDecreaseInAccountsPayable Accounting Standards Update and Change in Accounting Principle [Table] Europe [Member] Asia [Member] Reclassification [Table] ipwr_PolicyTable Licensing Agreements [Member] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net increase (decrease) in cash and cash equivalents May 2026 Offering [Member] Relating to the May 2026 offering. May 2026 Prefunded Warrants [Member] Relating to the May 2026 prefunded warrants. New Accounting Pronouncements, Policy [Policy Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period ipwr_ClassOfWarrantOrRightExercisedInPeriod Class of Warrant or Right Exercised in Period The number of warrants or rights exercised during period. Underwritten Public Offering Pre-funded Warrants [Member] Represents the underwritten public offering pre-funded warrants. February 2026 Offering [Member] Represents the February 2026 offering. Statement [Table] us-gaap_OperatingLeasePayments Operating Lease, Payments Private Placement Pre-funded Warrants [Member] Represents the private placement pre-funded warrants. ipwr_ClassOfWarrantsOrRightsIssuedDuringPeriod Class of Warrants or Rights, Issued During Period Number of warrants issued during the period. Statement of Financial Position [Abstract] us-gaap_ContractualObligationDueInNextTwelveMonths Contractual Obligation, to be Paid, Year One Patents Yet to be Awarded [Member] Represents patents yet to be awarded. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber Outstanding at December 31, 2025 (in shares) Outstanding at June 30, 2026 (in shares) Granted (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod Forfeited (in shares) us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod Vested (in shares) Other assets us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Total lease payments dei_DocumentType Document Type Operating expenses: Document Information [Line Items] dei_DocumentQuarterlyReport Document Quarterly Report us-gaap_LesseeOperatingLeaseTermOfContract Lessee, Operating Lease, Term of Contract (Month) 2027 Document Information [Table] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2026 (remaining) dei_EntityInteractiveDataCurrent Entity Interactive Data Current Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] 2029 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber Outstanding, options (in shares) Outstanding, options (in shares) dei_DocumentTransitionReport Document Transition Report 2028 Commitments and Contingencies Disclosure [Text Block] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice Outstanding, weighted average exercise price (in dollars per share) Outstanding, weighted average exercise price (in dollars per share) Statement [Line Items] us-gaap_OperatingExpenses Total operating expenses Common Stock, Shares, Issued (in shares) Grantee Status [Domain] Common Stock, Shares, Outstanding (in shares) Intangible Asset, Indefinite-Lived, Class [Domain] Award Type [Domain] Share-Based Payment Arrangement, Employee [Member] Common Stock, Shares Authorized (in shares) Grantee Status [Axis] Weighted average number of shares outstanding – basic and diluted (in shares) Net loss per share – basic and diluted (in dollars per share) Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Common stock, $0.001 par value; 50,000,000 shares authorized; 16,422,841 shares issued and 16,421,520 shares outstanding at June 30, 2026 and 8,538,708 shares issued and 8,537,387 shares outstanding at December 31, 2025 Intangible Asset, Indefinite-Lived, Class [Axis] us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two us-gaap_ProceedsFromIssuanceOrSaleOfEquity Proceeds from Issuance or Sale of Equity us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Title and Position [Domain] us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Net proceeds from issuance of common stock and pre-funded warrants us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) Earnings Per Share, Policy [Policy Text Block] Accounts payable Accounts Payable, Current us-gaap_IntangibleAssetsNetExcludingGoodwill Intangible Assets, Net us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four us-gaap_TableTextBlock Notes Tables us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Intangible assets, net Document Fiscal Period Focus Finite-Lived Intangible Assets, Gross Intangible Asset, Finite-Lived, before Accumulated Amortization Document Fiscal Year Focus Amendment Flag Common Stock [Member] Indefinite-Lived Intangible Assets, Gross Accrued expenses Accrued Liabilities, Current dei_DocumentPeriodEndDate Document Period End Date Legal Entity [Axis] Significant Accounting Policies [Text Block] us-gaap_OperatingLeaseCost Operating Lease, Cost Amortization of right of use asset us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Less: imputed interest dei_EntityFileNumber Entity File Number Long-term lease liability Long-term lease liability Outstanding, weighted average remaining life (Year) dei_EntityTaxIdentificationNumber Entity Tax Identification Number us-gaap_OperatingLeaseLiability Total lease liability Current portion of lease liability Less: current portion of lease liability Entity [Domain] Entity Central Index Key dei_EntityRegistrantName Entity Registrant Name dei_EntityCurrentReportingStatus Entity Current Reporting Status dei_EntityIncorporationStateCountryCode Entity Incorporation, State or Country Code Current Fiscal Year End Date Research and development dei_EntityFilerCategory Entity Filer Category dei_EntityShellCompany Entity Shell Company dei_EntityEmergingGrowthCompany Entity Emerging Growth Company dei_EntitySmallBusiness Entity Small Business us-gaap_OperatingIncomeLoss Loss from operations Class of Warrant or Right [Table] dei_EntityAddressStateOrProvince Entity Address, State or Province Statement of Stockholders' Equity [Abstract] Intangible Asset, Finite-Lived, Class [Axis] dei_EntityAddressCityOrTown Entity Address, City or Town Accumulated deficit Intangible Asset, Finite-Lived, Class [Domain] dei_EntityAddressAddressLine1 Entity Address, Address Line One Class of Warrant or Right [Axis] Statement of Cash Flows [Abstract] Class of Warrant or Right [Domain] dei_CityAreaCode City Area Code us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation Payment of taxes upon vesting of restricted stock units dei_LocalPhoneNumber Local Phone Number dei_EntityAddressPostalZipCode Entity Address, Postal Zip Code Accrued expenses and other liabilities Stockholders' equity: dei_Security12bTitle Title of 12(b) Security Equity Components [Axis] dei_SecurityExchangeName Security Exchange Name dei_TradingSymbol Trading Symbol Lease liability us-gaap_IncreaseDecreaseInOperatingLeaseLiability Class of Stock [Axis] Equity Component [Domain] Equity [Text Block] dei_EntityCommonStockSharesOutstanding Entity Common Stock, Shares Outstanding (in shares) Additional Paid-in Capital [Member] us-gaap_ClassOfWarrantOrRightOutstanding Class of Warrant or Right, Outstanding Retained Earnings [Member] Executive Officer [Member] Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization us-gaap_ProceedsFromWarrantExercises Exercise of pre-funded warrants Sale of Stock [Axis] Cost of revenue Common Stock, Par or Stated Value Per Share (in dollars per share) Amended Lease [Member] Represents amended lease. us-gaap_GainLossOnTerminationOfLease Gain (Loss) on Termination of Lease ipwr_ClassOfWarrantOrRightExercisedInPeriodOnACashlessBasis Class of Warrant or Right Exercised in Period on a Cashless Basis The number of warrants or rights exercised during period on a cashless basis. Stock-based compensation us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue Basis of Accounting, Policy [Policy Text Block] Sale of Stock [Domain] Share-Based Payment Arrangement, Option, Activity [Table Text Block] us-gaap_Assets Total assets Cash and cash equivalents ipwr_StockForfeitedDuringPeriodSharesExerciseOfWarrants Stock Forfeited During Period, Shares, Exercise of Warrants (in shares) Number of shares of stock forfeited during period as part of exercise of warrants. Geographical [Domain] Geographical [Axis] Share-Based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block] Current Liabilities: Equity Incentive Plan [Member] The equity incentive plan. us-gaap_LiabilitiesCurrent Total current liabilities Write-off of capitalized patents Intangible Asset, Finite-Lived, Impairment Loss us-gaap_IntangibleAssetsGrossExcludingGoodwill Intangible Assets, Gross Accounts receivable Depreciation and amortization Intangible Asset [Text Block] us-gaap_PaymentsToAcquireIntangibleAssets Acquisition of intangible assets us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod Forfeited/Expired, options (in shares) ipwr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour Intangible Asset, Finite-Lived, Estimated Amortization Expense, after Year Four Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Other Commitments [Table] Intangible Asset, Finite-Lived [Table Text Block] Prefunded Warrants [Member] Relating to prefunded warrants. Intangible Asset, Finite-Lived [Table] us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization Accumulated amortization Forfeited/Expired, weighted average exercise price (in dollars per share) Office and Laboratory Space [Member] Relating to office and laboratory space. us-gaap_InventoryNet Inventory ipwr_CommitmentsAnnualPayment Commitments, Annual Payment Represents the amount of annual payment on commitments. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Exercise of pre-funded warrants The value of stock issued during the period for exercise of warrants. ipwr_OperatingLeasesFutureMinimumPaymentsDueInOneYear Operating Leases, Future Minimum Payments, Due In One Year Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the first fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Exercise of pre-funded warrants (in shares) Stock Issued During Period, Shares, Exercise of Warrants (in shares) The number of shares issued during the period for exercise of warrants. General and administrative ipwr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsInPeriodFairValue Share Based Compensation Arrangement By Share Based Payment Award, Grants In Period, Fair Value Represents the fair value of awards granted during the period. Warrants Disclosure [Text Block] The entire disclosure of the company's warrants. Performance Stock Units (PSUs) [Member] Relating to Performance Stock Units (PSUs). The 2013 Equity Incentive Plan [Member] Relating to the 2013 Equity Incentive Plan. Board Member [Member] Relating to a board member. Additional paid-in capital us-gaap_StockholdersEquity Total stockholders’ equity Balances Balances ipwr_MaximumBeneficialOwnershipPercentageOfWarrantsUponInvestorsElection Maximum Beneficial Ownership Percentage of Warrants Upon Investor's Election Represents the maximum beneficial ownership percentage of warrants upon investor's election. Segment Reporting, Policy [Policy Text Block] Prepayments and other current assets Use of Estimates, Policy [Policy Text Block] us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchase of property and equipment Issuance of common stock and pre-funded warrants Lessee, Operating Leases [Text Block] Stock, Class of Stock [Table] Patents [Member] Current assets: Right of use asset us-gaap_AssetsCurrent Total current assets Other long-term liabilities Other Liabilities, Noncurrent Vesting of restricted stock units ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Revenue us-gaap_GrossProfit Gross profit (loss) ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Commitments and Contingencies Issuance of common stock and pre-funded warrants (in shares) Stock Issued During Period, Shares, New Issues Restricted Stock Units (RSUs) [Member]