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The 2017 Inducement Equity Incentive Plan [Member] Represents the 2017 Inducement Equity Incentive Plan. Cash flows from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Cash flows from financing activities: plse_ClassOfWarrantsOrRightsRedemptionPricePerShare Class of Warrants or Rights, Redemption Price Per Share (in dollars per share) Per share redemption price of warrants or rights. us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share (in dollars per share) The 2017 Plan [Member] Represents the 2017 plan. us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities The 2017 Employee Stock Purchase Plan [Member] Represents the 2017 Employee Stock Purchase Plan. us-gaap_LiabilitiesFairValueDisclosure Liabilities, Fair Value Disclosure us-gaap_ImpairmentOfLongLivedAssetsHeldForUse Long-Lived Asset, Held and Used, Impairment Loss Canceled, weighted average exercise price (in dollars per share) Warrants exercised, exercise price (in dollars per share) Exercise price per share of warrants or rights exercised during period. Granted, weighted average exercise price (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) Redeemed/Cancelled, exercise price (in dollars per share) Exercise price per share of warrants or rights expired/redeemed during period. Exercised, weighted average exercise price (in dollars per share) Warrants outstanding, weighted average remaining contractual life (Year) Weighted average remaining contractual term of warrants or rights. us-gaap_GoodwillImpairmentLoss Goodwill, Impairment Loss plse_ClassOfWarrantOrRightExpiredredeemedDuringPeriod Class of Warrant or Right, Expired/Redeemed During Period (in shares) Redeemed/Cancelled, number of shares (in shares) The number of warrants or rights expired/redeemed during period. In Process Research and Development, Policy [Policy Text Block] Operating Segments [Member] Accounting Policies [Abstract] Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block] The 2015 Plan, 2017 Plan and Inducement Plan [Member] Represents the 2015 Plan, 2017 Plan and Inducement Plan. Employee Stock Purchase Plan Award [Member] Represents award under ESPP. us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent Accounts Receivable, Allowance for Credit Loss, Current Interest income Accounts Receivable [Policy Text Block] Income Statement [Abstract] us-gaap_IncreaseDecreaseInInventories Inventory us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) us-gaap_NumberOfOperatingSegments Number of Operating Segments us-gaap_NumberOfReportableSegments Number of Reportable Segments Segment Reporting [Text Block] Award Type [Axis] Segment Reporting [Table Text Block] Net loss Net loss Net loss Adjustments to reconcile net loss to net cash used in operating activities: Preferred stock, $0.001 par value; authorized – 50,000,000 shares; no shares issued and outstanding Plan Name [Axis] us-gaap_Liabilities Total liabilities Plan Name [Domain] Amortization of intangible assets us-gaap_WarrantsAndRightsOutstandingTerm Warrants and Rights Outstanding, Term (Year) us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders’ equity Cost and expenses: Total stock-based compensation expense us-gaap_AllocatedShareBasedCompensationExpense Total stock-based compensation expense Consolidation Items [Axis] Cash and Cash Equivalents [Axis] Segment Reporting [Table] us-gaap_OtherNoncashIncomeExpense Other us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets Sales and marketing us-gaap_SellingAndMarketingExpense Selling, general and administrative us-gaap_ShareBasedCompensation Stock-based compensation Subsequent Event [Member] us-gaap_CostsAndExpenses Total cost and expenses Consolidation Items [Domain] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Share-Based Payment Arrangement [Text Block] Proceeds from issuance of common stock under employee stock purchase plan Changes in operating assets and liabilities: us-gaap_IncreaseDecreaseInAccountsPayable Accounts payable Preferred stock, shares issued (in shares) Accounting Standards Update and Change in Accounting Principle [Table] us-gaap_FiniteLivedIntangibleAssetUsefulLife Finite-Lived Intangible Asset, Useful Life (Year) Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding (in shares) Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized (in shares) Income Tax, Policy [Policy Text Block] plse_PolicyTable Supplemental disclosure of noncash investing and financing activities: Cross platform research and engineering plse_CrossPlatformResearchAndEngineering The amount of cross platform research and engineering revenue. Fair Value, by Balance Sheet Grouping [Table] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share (in dollars per share) Accrued liabilities us-gaap_IncreaseDecreaseInAccruedLiabilities Clinical and regulatory plse_ClinicalAndRegulatory The amount of clinical and regulatory revenue. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net (decrease) increase in cash and cash equivalents Related and Nonrelated Parties [Domain] Cash and Cash equivalents 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 Concentration Risk, Credit Risk, Policy [Policy Text Block] Antidilutive Securities, Name [Domain] Share-Based Payment Arrangement, Tranche One [Member] Statement [Table] Reclassification, Comparability Adjustment [Policy Text Block] Fair Value Hierarchy and NAV [Domain] plse_PercentOfOfferingPurchased Percent of Offering Purchased The percent of an offering purchased. Measurement Frequency [Domain] Vesting [Axis] Other income (expense): Statement of Financial Position [Abstract] Vesting [Domain] Total other income, net us-gaap_NonoperatingIncomeExpense Total other income us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) us-gaap_PropertyPlantAndEquipmentUsefulLife Property, Plant and Equipment, Useful Life (Year) Fair Value, Recurring [Member] us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Other assets Warrant [Member] Document Type us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) Document Information [Line Items] Document Quarterly Report us-gaap_IncreaseDecreaseInOtherNoncurrentAssets Other non-current assets us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod Canceled (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Performance-based and Market-based Options [Member] Represents performance-based and market-based options. Document Information [Table] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) Antidilutive securities (in shares) Antidilutive Securities [Axis] Exercisable (in shares) Entity Interactive Data Current us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) Measurement Frequency [Axis] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber Balances (in shares) Balances (in shares) Document Transition Report Nature of Expense [Axis] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice Balances, weighted average exercise price (in dollars per share) Balances, weighted average exercise price (in dollars per share) Statement [Line Items] Fair Value Hierarchy and NAV [Axis] Balances, intrinsic value Common stock, shares issued (in shares) Common stock, shares outstanding (in shares) Award Type [Domain] Risk-free interest rate Common stock, shares authorized (in shares) Common Stock, Shares Authorized (in shares) Expected volatility Weighted average common shares outstanding, basic and diluted (in shares) Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Antidilutive Security, Excluded EPS Calculation [Table] Schedule of Accrued Liabilities [Table Text Block] Net loss per share, basic and diluted (in dollars per share) Research and Development Expense, Policy [Policy Text Block] us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Common stock, $0.001 par value; authorized – 500,000,000 shares; issued and outstanding – 68,225,067 shares and 67,839,689 shares as of March 31, 2026 and December 31, 2025, respectively us-gaap_ProceedsFromIssuanceOrSaleOfEquity Proceeds from Issuance or Sale of Equity Fair Value of Financial Instruments, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) Warrants outstanding, weighted average exercise price (in dollars per share) Warrants outstanding, weighted average exercise price (in dollars per share) us-gaap_ProceedsFromIssuanceOfCommonStock Proceeds from Issuance of Common Stock Accounts payable us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables Write-off of deferred issuance costs Intangible assets, net Document Fiscal Period Focus Document Fiscal Year Focus us-gaap_ComprehensiveIncomeNetOfTax Comprehensive loss Amendment Flag Common Stock [Member] Accrued professional services Subsequent Events [Text Block] Goodwill Accrued liabilities Total accrued liabilities Document Period End Date Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) Legal Entity [Axis] Accrued compensation-related costs Significant Accounting Policies [Text Block] Non-cash lease expense Entity File Number Lease liability, less current portion Balances, remaining life (Year) Entity Tax Identification Number Accrued other Accrued severance Lease liability, current Entity [Domain] Entity Central Index Key Entity Registrant Name Fair Value, Assets Measured on Recurring Basis [Table Text Block] Entity Current Reporting Status Entity Incorporation, State or Country Code Expected term (in years) (Year) Current Fiscal Year End Date Exercisable, remaining life (Year) Research and development Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Loss from operations Cash and Cash Equivalents [Domain] Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Other segment items us-gaap_SegmentReportingOtherItemAmount Revenue: Entity Address, State or Province Statement of Stockholders' Equity [Abstract] Entity Address, City or Town Accumulated deficit Retained Earnings (Accumulated Deficit) Entity Address, Address Line One Class of Warrant or Right [Axis] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Class of Warrant or Right [Domain] Statement of Cash Flows [Abstract] City Area Code Local Phone Number Statutory Accounting Practices [Table] Entity Address, Postal Zip Code Stockholders’ equity: Title of 12(b) Security Equity Components [Axis] Security Exchange Name Trading Symbol Lease liabilities, net us-gaap_PaymentsOfStockIssuanceCosts Payments of Stock Issuance Costs Payment of deferred issuance costs in relation to registration statements Share-Based Payment Arrangement [Policy Text Block] Proceeds from exercises of stock options Class of Stock [Axis] Equity Component [Domain] Offsetting Liabilities [Table] us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Equity [Text Block] Fair Value, Inputs, Level 1 [Member] Entity Common Stock, Shares Outstanding us-gaap_ClassOfWarrantOrRightOutstanding Class of Warrant or Right, Outstanding (in shares) Warrants outstanding, number of shares (in shares) Warrants outstanding, number of shares (in shares) Additional Paid-in Capital [Member] Retained Earnings [Member] Earnings Per Share [Text Block] Property and equipment, net Unpaid amounts related to purchase of equipment Subsequent Event Type [Domain] plse_EquityOfferingUnitsOfferingValue Equity Offering Units, Offering Value The total cost of the Equity offering of warrants and rights. Subsequent Event [Table] The 2024 Right Offering [Member] Subsequent Event Type [Axis] R&D manufacturing and engineering us-gaap_ManufacturingCosts Property, Plant, and Equipment [Policy Text Block] Sale of Stock [Axis] Proceeds from exercises of warrants, net of issuance costs Proceeds from Warrant Exercises Exercisable, intrinsic value Exercisable, weighted average exercise price (in dollars per share) Adjusted cost of product revenue Cost of product revenue Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share (in dollars per share) Stock-based compensation expense Market-based Options [Member] Represents market-based options. Basis of Accounting, Policy [Policy Text Block] Time-based and Performance Options [Member] Represents time-based and performance options. Other expense Sale of Stock [Domain] Share-Based Payment Arrangement, Option, Activity [Table Text Block] us-gaap_Assets Total assets Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents Cash and Cash Equivalent Accounts Payable and Accrued Liabilities Disclosure [Text Block] Fair Value Disclosures [Text Block] Share-Based Payment Arrangement, Option [Member] Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Warrants Issued in 2024 Rights Offering [Member] Represents the Warrants Issued in 2024 Rights Offering plse_SeverancePayments Severance Payments The amount of severance payments made. Cost of Product Revenue [Member] Cost of Product Revenue Current liabilities: us-gaap_LiabilitiesCurrent Total current liabilities Unpaid issuance costs in relation to registration statements Unpaid stock issuance costs. Revenue from Contract with Customer [Policy Text Block] Service-based Options [Member] Service-based Options Accounts receivable, net Research and Development [Member] Research and Development Selling, General and Administrative [Member] Selling, General and Administrative Vesting of First Half [Member] Represents vesting of first half. plse_ClassOfWarrantOrRightVestingStockPriceTrigger Class of Warrant or Right, Vesting, Stock Price Trigger (in dollars per share) Per share or per unit stock price trigger for vesting of warrants or rights. Vesting of Second Half [Member] Represents vesting of second half. Consolidation, Policy [Policy Text Block] us-gaap_SeveranceCosts1 Severance Costs Unpaid warrant issuance costs Warrant issuance costs. Interim Period, Costs Not Allocable [Domain] Inventory General and administrative us-gaap_GeneralAndAdministrativeExpense Majority Stockholder and Co-chairman [Member] Represents the majority stockholder and Co-Chairman. Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Modified Options [Member] Modified Options Additional paid-in capital us-gaap_StockholdersEquity Total stockholders’ equity Balance Balance Issuance of common stock pursuant to warrant exercise Value of stock issued during the period for the exercise of warrants. Use of Estimates, Policy [Policy Text Block] Accrued research and development services Amount of expenses incurred but not yet paid from research and development services, due within one year or the normal operating cycle, if longer. Prepaid expenses and other current assets 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) ATM Offering [Member] Represents the ATM offering. Issuance of common stock under employee stock purchase plan us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchases of property and equipment Issuance of common stock pursuant to warrant exercise (in shares) Number of shares issued during the period for the exercise of warrants. Stock, Class of Stock [Table] plse_NumberOfWarrantsInEachUnit Number of Warrants in Each Unit (in shares) Represents number of warrants in each unit. plse_EquityOfferingUnitsMaximumAmountAuthorized Equity Offering, Units, Maximum Amount Authorized (in shares) Maximum amount authorized for units issued under equity offering. Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Current assets: Proceeds from exercise of warrants and stock options not yet received Increase in other receivable from exercise of warrants and tock options in noncash transaction. Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Right-of-use assets Money Market Funds [Member] Issuance of common stock upon exercise of stock options Patent Costs [Policy Text Block] Disclosure of accounting policy for patent costs. us-gaap_AssetsCurrent Total current assets Fair Value, Recurring and Nonrecurring [Table] Issuance of common stock under employee stock purchase plan (in shares) ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Product revenue Product revenue ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] plse_ClassOfWarransOrRightExercisePricePercentageOfSubscriptionPriceForUnits Class of Warrans or Right, Exercise Price, Percentage of Subscription Price for Units Amount of exercise price of warrants as percentage of subscription price for units. Inventory, Policy [Policy Text Block] us-gaap_StockIssuedDuringPeriodSharesNewIssues Stock Issued During Period, Shares, New Issues (in shares) Restricted Stock Units (RSUs) [Member]