Document And Entity Information Issuance of common stock upon conversion and payment of interest-in-kind on convertible debt (in shares) Issuance of common stock in debt exchange (in shares) Debt Instrument, Name [Domain] Statistical Measurement [Axis] Note To Financial Statement Details Textual Note 6 - Loss Per Share Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Promissory Notes [Member] Represents promissory notes. Note 7 - Intangible and Other Assets Provision for income taxes Stated Interest Rate Debt Instrument, Interest Rate, Stated Percentage ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 9 - Convertible Notes ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 10 - Contingent Payment Obligations Trading Arrangements, by Individual [Table] Note 11 - Fair Value Measurements Single Reportable Segment [Member] Represents Single Reportable Segment. prkr_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Fair Value The fair value at grant date for nonvested option awards issued during the period. 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Parkervision V. Qualcomm Middle District Of Florida [Member] Represents Parkervision V. Qualcomm Middle District Of Florida. us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities Accounts payable and accrued expenses prkr_LossContingencyPatentsSplitDecisionNumber Loss Contingency, Patents Split Decision, Number Number of patents split decision for loss contingency. CASH FLOWS FROM OPERATING ACTIVITIES: CASH FLOWS FROM INVESTING ACTIVITIES: us-gaap_NetCashProvidedByUsedInOperatingActivities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash used in operating activities Convertible Note Maturing March 2026 [Member] Related to convertible debt. 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Segments [Domain] Unsecured Contingent Payment Obligation [Member] Represents unsecured contingent payment obligation. Interest income Interest income Estimated Probabilities [Member] Represents estimated probabilities. Estimated Undiscounted Cash Outflows [Member] Represents estimated undiscounted cash outflows. Segments [Axis] Litigation Case [Axis] Weighted Average [Member] Measurement Input Type [Axis] Income Statement [Abstract] Sterne Kessler Goldstein Fox Pllc [Member] Represents Sterne Kessler Goldstein Fox Pllc. prkr_NetWorkingCapital Net Working Capital Short term financial health measure by deducting current liabilities from current assets. us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) us-gaap_NumberOfReportableSegments Number of Reportable Segments Segment Reporting [Text Block] Measurement Input, Expected Term [Member] Brickell [Member] Represents Brickell. 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Texas Instruments Western District of Texas [Member] Represents Parkervision V. Texas Instruments Western District of Texas. Parkervision V. Mediatek Western District Of Texas [Member] Represents Parkervision V. Mediatek Western District Of Texas. Estimate of Fair Value Measurement [Member] Change in Reporting Entity [Table] Secured, Non-recourse Promissory Note [Member] Represents the secured, non-recourse promissory note. Parkervision V. NXP Semiconductors Western District of Texas [Member] Represents Parkervision V. NXP Semiconductors Western District of Texas. Convertible Notes Dated February/March 2019 [Member] Represents convertible notes dated February/March 2019. prkr_DebtInstrumentPaymentDistributionsFirstLimit Debt Instrument, Payment, Distributions, First Limit Amount of first limit of distributions for payment of the debt instrument. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations CASH AND CASH EQUIVALENTS, beginning of period CASH AND CASH EQUIVALENTS, end of period prkr_DebtInstrumentPaymentPercentageOfDistributionsFirstLimit Debt Instrument, Payment, Percentage of Distributions, First Limit Percentage of distributions of first limit for payments under the debt instrument. Antidilutive Securities, Name [Domain] Measurement Basis [Axis] Statement [Table] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Convertible Notes Dated July 18, 2019 [Member] Represents convertible notes dated July 18, 2019. Fair Value Hierarchy and NAV [Domain] Convertible Notes Dated January 8, 2020 [Member] Represents convertible notes dated January 8, 2020. Measurement Frequency [Domain] Prepaid expenses Convertible Notes Dated June/July 2019 [Member] Represents convertible notes dated June/July 2019. us-gaap_RepaymentsOfLongTermDebt Principal payments on long-term debt Statement of Financial Position [Abstract] us-gaap_ConvertibleDebtFairValueDisclosures Convertible Debt, Fair Value Disclosures us-gaap_NonoperatingIncomeExpense Total other income (expense) Change in fair value Represents change in fair value for debt instrument. us-gaap_LiabilitiesNoncurrent Total long-term liabilities Line of Credit Facility, Lender [Domain] Contingent Payment Obligation [Member] Represents contingent payment obligation. 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Nonqualified Share Option [Member] Represents nonqualified share option. Change in fair value of contingent payment obligations prkr_GainLossContingentPaymentObligation Represents gain loss for contingent payment obligation. Document Information [Line Items] Document Quarterly Report Conversion of Debt into Common tock and WArrants [Member] Represents the conversion of debt into common stock and warrants. Document Information [Table] Common Stock Warrants [Member] Represents Common Stock Warrants. Nonqualified Time-based Stock Options [Member] Represents the Nonqualified Time-based Stock Options. Convertible Notes Dated January 11, 2023 [Member] Represents Convertible notes dated January 11, 2023. prkr_SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfSharesAuthorizedToBeModified Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized to be Modified (in shares) Number of shares authorized to be modified under share-based payment arrangement. Executives and Key Employees [Member] Represents executives and key employees. Antidilutive securities (in shares) Antidilutive Securities [Axis] us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment Effect of dilutive securities (in shares) Entity Interactive Data Current Performance-based Non-qualified Share Option [Member] Represents Performance-based Non-qualified Share Option. us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in dollars per share) Measurement Frequency [Axis] Document Transition Report Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Weighted-average diluted shares (in shares) Statement [Line Items] us-gaap_OperatingExpenses Total operating expenses Liability Class [Axis] Fair Value Hierarchy and NAV [Axis] Common stock, shares issued (in shares) Earnings (loss) per common share Common stock, shares outstanding (in shares) Award Type [Domain] Common stock, shares authorized (in shares) Basic (in shares) us-gaap_WeightedAverageNumberOfSharesOutstandingBasic Weighted-average basic shares outstanding (in shares) Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Net payments from issuance of common stock and warrants in private offerings Represents proceeds (payments) from issuance of common stock including contingent payment rights. Basic (in dollars per share) Basic earnings (loss) per share (in dollars per share) Antidilutive Security, Excluded EPS Calculation [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Notes Payable, Other Payables [Member] Related party note payable, current portion Common stock, $0.01 par value, 225,000 shares authorized, 147,792 and 143,156 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Related party note payable, net of current portion us-gaap_GainContingencyPatentsAllegedlyInfringedUponNumber Gain Contingency, Patents Allegedly Infringed upon, Number us-gaap_ProceedsFromIssuanceOrSaleOfEquity Proceeds from Issuance or Sale of Equity Title and Position [Domain] us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) Accounts payable us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables Share-based compensation (in shares) Document Fiscal Period Focus Share-based compensation Patents and copyrights Document Fiscal Year Focus Comprehensive income (loss) for the period Comprehensive income (loss) Contingencies Disclosure [Text Block] Amendment Flag Common Stock [Member] Salaries and wages (Gain) loss on changes in fair value of contingent payment obligations Professional fees Document Period End Date Nonrelated Party [Member] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) Legal Entity [Axis] Related Party [Member] Significant Accounting Policies [Text Block] Entity File Number Entity Tax Identification Number Other accrued expenses Disaggregation of Revenue [Table] Entity [Domain] Entity Central Index Key Entity Registrant Name Entity Current Reporting Status Accrued expenses: Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Filer Category Entity Shell Company prkr_EquityMaximumAmountIssuable Equity, Maximum Amount Issuable Maximum amount of equity issuable, including common stock, warrants. Entity Emerging Growth Company Entity Small Business Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Issuance of common stock upon exercise of options and warrants (in shares) Represents issuance of common stock upon exercise of options and warrants in shares. us-gaap_InterestExpense In-kind interest expense us-gaap_ContractWithCustomerLiabilityRevenueRecognized Contract with Customer, Liability, Revenue Recognized us-gaap_SegmentReportingOtherItemAmount Other segment items 1 Licensing revenue us-gaap_InterestExpenseDebt Interest Expense, Debt Less current portion Convertible notes, current portion Convertible Debt, Current Entity Address, State or Province Loss Contingencies [Table] Statement of Stockholders' Equity [Abstract] Entity Address, City or Town us-gaap_InterestExpenseNonoperating Interest expense Accumulated deficit Retained Earnings (Accumulated Deficit) Entity Address, Address Line One Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Statement of Cash Flows [Abstract] City Area Code prkr_PatentMaintenanceExpense Patent maintenance expenses The amount of patent maintenance expense. prkr_ThirdpartyConsultingFees Third-party consulting expenses The amount of third-party consulting fees. Local Phone Number Entity Address, Postal Zip Code Revenue from Contract with Customer [Text Block] Convertible Debt [Member] Other comprehensive income, net of tax Long-Term Debt, Type [Domain] SHAREHOLDERS' DEFICIT: Equity Components [Axis] Fixed Conversion Rate (in dollars per share) Debt Instrument, Convertible, Conversion Price (in dollars per share) Class of Stock [Axis] Equity Component [Domain] Fair Value, Inputs, Level 2 [Member] us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) prkr_ContingencyNewClaimsFiledNumber Contingency, New Claims Filed, Number Number of pending claims pertaining to a gain or loss contingency. 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Long-Term Debt [Text Block] Other Commitments [Table] Long Term Incentive Plan 2019 [Member] Represents 2019 long term incentive plan. Intangible Asset, Finite-Lived [Table Text Block] Intangible Asset, Finite-Lived [Table] NXP v. ParkerVision (PTAB) [Member] Represents NXP v. ParkerVision (PTAB). us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization Accumulated amortization Convertible Debt [Text Block] Tabular disclosure of convertible debt. Basis of Accounting [Text Block] Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Loss on debt extinguishment Loss on debt extinguishment Additional paid-in capital us-gaap_StockholdersEquity Total shareholders' deficit Balance Balance Debt Conversion, Name [Domain] Debt Conversion Description [Axis] us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) Stock, Class of Stock [Table] us-gaap_DebtInstrumentCarryingAmount Long-Term Debt, Gross Nature of Operation, Product Information, Concentration of Risk [Table] Issuance of common stock upon conversion and payment of interest-in-kind on convertible debt Issuance of common stock in debt exchange us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount CURRENT ASSETS: us-gaap_AssetsCurrent Total current assets prkr_DebtInstrumentMaximumRepaymentObligation Debt Instrument, Maximum Repayment Obligation Represents the highest contractual amount the issuer could be required to repay under debt instrument. 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