Document And Entity Information
Expected dividend yield
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 3 - Fair Value Measurement
Share-Based Payment Arrangement, Option, Exercise Price Range [Table]
us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Tax at federal statutory rate
Note 4 - Property and Equipment, Net
Risk-free interest rate
Note 5 - Intangible Assets, Net
Note 6 - Accrued Liabilities
Note 8 - Leases
Note 9 - Stockholders' Equity
Note 10 - Stock-Based Compensation
Note 12 - Income Taxes
Income Tax Disclosure [Text Block]
Note 13 - Net Loss Per Share
Note 14 - Segment Reporting
Note 3 - Fair Value Measurement - Financial Assets Measured on a Recurring Basis (Details)
Expected volatility
Note 4 - Property and Equipment, Net - Property and Equipment, Net (Details)
Note 5 - Intangible Assets, Net (Details)
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 5 - Intangible Assets, Net - Schedule of Amortization of Intangible Assets (Details)
Note 6 - Accrued Liabilities - Accrued Expenses (Details)
Note 8 - Leases - Lease Costs (Details)
Expected term (in years) (Year)
Note 8 - Leases - Remaining Lease Term and Discount Rate (Details)
Note 8 - Leases - Maturities of Lease Liabilities (Details)
Note 9 - Stockholders' Equity - Warrant Activity (Details)
us-gaap_BusinessCombinationConsiderationTransferred1
Business Combination, Consideration Transferred, Total
Note 10 - Stock-Based Compensation - Stock Option Activity (Details)
Note 10 - Stock-Based Compensation - Stock-Based Compensation Expense (Details)
Note 10 - Stock-Based Compensation - Option Assumptions (Details)
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Note 12 - Income Taxes - Reconciliation of Income Tax Rate (Details)
Note 12 - Income Taxes - Deferred Tax Asset (Liability) (Details)
Note 12 - Income Taxes - Reconciliation of Unrecognized Tax Benefit (Details)
Note 13 - Net Loss Per Share - Antidilutive Securities (Details)
Note 14 - Segment Reporting - Reconciliation of Net Loss (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Notes To Financial Statements
us-gaap_NumberOfBusinessesAcquired
Number of Businesses Acquired
Notes To Financial Statements [Abstract]
Exercisable, remaining life (Year)
Exercisable, intrinsic value
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Exercisable (in shares)
Balances, remaining life (Year)
Balances, intrinsic value
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)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Balances, weighted average exercise price (in dollars per share)
Balances, weighted average exercise price (in dollars per share)
Options canceled, weighted average exercise price (in dollars per share)
Options expired, weighted average exercise price (in dollars per share)
Options granted, weighted average exercise price (in dollars per share)
Goodwill [Table]
Options exercised, weighted average exercise price (in dollars per share)
Accrued liabilities
Total accrued liabilities
Accrued compensation-related costs
Accrued legal settlement
Lessee, Operating Leases [Text Block]
Accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Balances (in shares)
Balances (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Options expired (in shares)
Unpaid amounts related to purchase of equipment
Accrued other
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)
Accrued professional services
us-gaap_PaymentsToAcquireIntangibleAssets
Purchases of intangible assets
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost
Share-Based Payment Arrangement, Plan Modification, Incremental Cost
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of property and equipment
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Goodwill Disclosure [Text Block]
Current liabilities:
Supplemental Balance Sheet Disclosures [Text Block]
Vesting [Axis]
Vesting [Domain]
Lease liabilities, net
Share-Based Payment Arrangement, Tranche One [Member]
us-gaap_Assets
Total assets
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
Proceeds from issuance of common stock and warrants in relation to rights offering, net of issuance costs
The amount of cash inflow from issuance of common stock and warrants.
Share-Based Payment Arrangement [Text Block]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
plse_PercentOfOfferingPurchased
Percent of Offering Purchased
The percent of an offering purchased.
Award Type [Domain]
Effective Income Tax Rate Reconciliation [Table]
Award Type [Axis]
Net loss
Net loss
Net loss
us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Less: Accumulated amortization
Intangible assets, net
Total intangible assets, net
Acquired patents and licenses
Share-Based Payment Arrangement, Option [Member]
Warrant [Member]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Antidilutive Security, Excluded EPS Calculation [Table]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less: Accumulated depreciation
Property and equipment, net
Total property and equipment, net
Goodwill
Goodwill, Ending Balance
Property and equipment, gross
Cash flows from investing activities:
Earnings Per Share [Text Block]
Related Party Transaction [Table]
Related Party Transactions Disclosure [Text Block]
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Effective Tax Rate
Accrued liabilities
us-gaap_IncreaseDecreaseInAccruedLiabilities
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
General and administrative
us-gaap_GeneralAndAdministrativeExpense
Cash and cash equivalents
Cash and Cash Equivalent
Total stock-based compensation expense
us-gaap_AllocatedShareBasedCompensationExpense
Total stock-based compensation expense
Amendment Flag
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive loss
City Area Code
Use of Estimates, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
Reclassification, Comparability Adjustment [Policy Text Block]
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Loss on disposal of fixed assets
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common stock, shares outstanding (in shares)
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
Current Fiscal Year End Date
Variable lease cost
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
Document Fiscal Period Focus
Operating lease cost
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
Lease, Cost [Table Text Block]
Document Period End Date
Right-of-use asset obtained in exchange for lease liability
Lease term (in years) (Year)
Entity File Number
Entity Emerging Growth Company
Document Type
Entity Small Business
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
Entity Public Float
Entity Filer Category
Entity Current Reporting Status
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Impairment, Long-Lived Asset, Held-for-Use
Award Timing MNPI Disclosure [Text Block]
us-gaap_GoodwillImpairmentLoss
Goodwill, Impairment Loss
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Stock-based compensation expense
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Entity Tax Identification Number
Entity Central Index Key
Insider Trading Policies and Procedures [Line Items]
Entity Registrant Name
ecd_InsiderTrdPoliciesProcAdoptedFlag
Insider Trading Policies and Procedures Adopted [Flag]
Entity [Domain]
Legal Entity [Axis]
Entity Address, Address Line One
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Amortization of intangible assets
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Entity Address, Postal Zip Code
Entity Address, State or Province
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Material Terms of Trading Arrangement [Text Block]
Entity Common Stock, Shares Outstanding
Trading Arrangements, by Individual [Table]
us-gaap_IncreaseDecreaseInOtherNoncurrentAssets
Other non-current assets
us-gaap_IncreaseDecreaseInInventories
Inventory
Trading Symbol
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Issuance of common stock under employee stock purchase plan (in shares)
Local Phone Number
R&D capitalization
Amount before allocation of valuation allowances of deferred tax asset attributable to capitalized research and development.
Vesting of First Half [Member]
Represents vesting of first half.
Issuance of common stock upon exercise of stock options (in shares)
Options exercised (in shares)
us-gaap_TableTextBlock
Notes Tables
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.
Issuance of common stock under employee stock purchase plan
Issuance of common stock upon exercise of stock options
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Domain]
Selling, general and administrative
Options granted (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Options canceled (in shares)
us-gaap_WarrantsAndRightsOutstandingTerm
Warrants and Rights Outstanding, Term (Year)
Sales and marketing
us-gaap_SellingAndMarketingExpense
Issuance of common stock and warrants in connection with rights offering, net of issuance costs (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Other segment items
us-gaap_SegmentReportingOtherItemAmount
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Issuance of shares
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Research and development
Money Market Funds [Member]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Domain]
Issuance of common stock pursuant to warrant exercise
Value of stock issued during the period for the exercise of warrants.
Changes in operating assets and liabilities:
Rights Offering [Member]
Represents rights offering.
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
ATM Offering [Member]
Represents the ATM offering.
Lease liability, less current portion
Issuance of common stock pursuant to warrant exercise (in shares)
Number of shares issued during the period for the exercise of warrants.
Total lease liabilities
plse_NumberOfWarrantsInEachUnit
Number of Warrants in Each Unit (in shares)
Represents number of warrants in each unit.
Lease liability, current
plse_EquityOfferingUnitsMaximumAmountAuthorized
Equity Offering, Units, Maximum Amount Authorized (in shares)
Maximum amount authorized for units issued under equity offering.
Defined Benefit Plan [Table]
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.
Retirement Benefits [Text Block]
Patent Costs [Policy Text Block]
Disclosure of accounting policy for patent costs.
plse_PatentCosts
Patent Costs
Amount of patent costs not related to acquired patents, including patent-related legal fees, filing fees and other costs, including internally generated costs, that are expensed as incurred.
Right-of-use assets
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total lease payments
Laboratory Equipment [Member]
Represents laboratory equipment.
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less imputed interest
Acquired Patents and Licenses [Member]
Represents acquired patents and licenses.
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.
2028
2029
2030
Fair Value of Financial Instruments, Policy [Policy Text Block]
2026
2027
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2026
plse_NumberOfSharesPerUnitIssued
Number of Shares Per Unit Issued (in shares)
Number of shares of stock issued or issuable for each unit.
Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
us-gaap_ShareBasedCompensation
Stock-based compensation
Other assets
plse_ClassOfWarrantOrRightExercisedDuringPeriod
Warrants exercised, number of shares (in shares)
The number of warrants or rights exercised during period.
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life (Year)
Earnings Per Share, Policy [Policy Text Block]
plse_ClassOfWarrantOrRightPercentageRequiredForRedemption
Class of Warrant or Right, Percentage Required for Redemption
The percentage required for redemption of warrant or right.
plse_IncreaseInSharesAvailableForIssuanceThresholdOfCommonStockOutstandingPercent
Increase in Shares Available for Issuance, Threshold of Common Stock Outstanding, Percent
Percentage of threshold of common stock outstanding for increase in shares available for issuance.
plse_IncreaseInSharesAvailableForIssuanceThresholdOfCommonStockOutstandingNumberOfShares
Increase in Shares Available for Issuance, Threshold of Common Stock Outstanding, Number of Shares (in shares)
The number of shares threshold for increase in shares available for issuance.
The 2017 Inducement Equity Incentive Plan [Member]
Represents the 2017 Inducement Equity Incentive Plan.
Intangible Asset, Finite-Lived [Table]
Income Tax, Policy [Policy Text Block]
plse_ClassOfWarrantsOrRightsRedemptionPricePerShare
Class of Warrants or Rights, Redemption Price Per Share (in dollars per share)
Per share redemption price of warrants or rights.
The 2017 Plan [Member]
Represents the 2017 plan.
The 2017 Employee Stock Purchase Plan [Member]
Represents the 2017 Employee Stock Purchase Plan.
In Process Research and Development, Policy [Policy Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Time-based Options [Member]
Represents time-based options.
Research and Development Expense, Policy [Policy Text Block]
Depreciation
Depreciation
Warrants exercised, exercise price (in dollars per share)
Exercise price per share of warrants or rights exercised during period.
Redeemed/Cancelled, exercise price (in dollars per share)
Exercise price per share of warrants or rights expired/redeemed during period.
us-gaap_LiabilitiesFairValueDisclosure
Liabilities, Fair Value Disclosure
Warrants outstanding, weighted average remaining contractual life (Year)
Weighted average remaining contractual term of warrants or rights.
plse_PolicyTable
Intangible Assets Disclosure [Text Block]
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.
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_AssetsCurrent
Total current assets
The 2015 Plan, 2017 Plan and Inducement Plan [Member]
Represents the 2015 Plan, 2017 Plan and Inducement Plan.
Cash and Cash equivalents
Share-Based Payment Arrangement [Policy Text Block]
Equity [Text Block]
Employee Stock Purchase Plan Award [Member]
Represents award under ESPP.
plse_OperatingLossCarryforwardsNotSubjectToExpiration
Operating Loss Carryforwards, Not Subject to Expiration
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that are not subject to expiration.
Interest income
Common stock, $0.001 par value; authorized – 500,000,000 shares; issued and outstanding – 67,839,689 shares and 65,925,503 shares as of December 31, 2025 and 2024, respectively
Lease liability
Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from lease liability.
Fair Value, Recurring and Nonrecurring [Table]
Measurement Frequency [Axis]
Adjustments to reconcile net loss to net cash used in operating activities:
Measurement Frequency [Domain]
Fair Value, Recurring [Member]
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized (in shares)
Common stock, shares issued (in shares)
Discount rate
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Revenue from Contract with Customer [Policy Text Block]
us-gaap_DeferredTaxAssetsValuationAllowance
Valuation allowance
Lessee, Lease, Description [Table]
Statistical Measurement [Domain]
Cash paid for operating lease liabilities
Maximum [Member]
Supplemental disclosure of noncash investing and financing activities:
Minimum [Member]
us-gaap_DeferredTaxAssetsNet
Total deferred tax assets
Statistical Measurement [Axis]
Preferred stock, $0.001 par value; authorized – 50,000,000 shares; no shares issued and outstanding
us-gaap_DeferredTaxAssetsLiabilitiesNet
Net deferred tax assets/(liabilities)
Preferred stock, shares issued (in shares)
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]
Property, Plant and Equipment [Table Text Block]
us-gaap_DeferredTaxAssetsGross
Gross deferred tax assets
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized (in shares)
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
us-gaap_DeferredIncomeTaxLiabilities
Total deferred tax liabilities
Inventory
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Fair Value, Inputs, Level 3 [Member]
Fair Value Hierarchy and NAV [Domain]
Modified Market Based Awards [Member]
Represents the modified market based awards.
Fair Value, Inputs, Level 1 [Member]
Intangible assets
Modified Time Based Awards [Member]
Represents the modified time based awards.
Fair Value, Inputs, Level 2 [Member]
plse_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesModified
Share Based Compensation Arrangement By Share Based Payment Award, Shares Modified (in shares)
The number of shares that were modified relating to the share based payment arrangement.
Property and equipment
Fair Value Hierarchy and NAV [Axis]
Cross platform research and engineering
plse_CrossPlatformResearchAndEngineering
The amount of cross platform research and engineering revenue.
Clinical and regulatory
plse_ClinicalAndRegulatory
The amount of clinical and regulatory revenue.
Accruals
Software and Software Development Costs [Member]
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life (Year)
Construction in Progress [Member]
Cash flows from operating activities:
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Statement [Line Items]
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
Furniture and Fixtures [Member]
Accounts receivable
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Stock-based compensation
Revenue:
Additional paid-in capital
Stockholders’ equity:
Leasehold Improvements [Member]
Property, Plant and Equipment, Policy [Policy Text Block]
Property, Plant and Equipment [Table]
Other expense
Total other income, net
us-gaap_NonoperatingIncomeExpense
Total other income
Long-Lived Tangible Asset [Axis]
Segment Reporting Disclosure [Text Block]
Long-Lived Tangible Asset [Domain]
Fair Value, by Balance Sheet Grouping [Table]
Net operating loss carryforwards
Statutory Accounting Practices [Table]
Tax credit carryforwards
Current assets:
Fair Value Disclosures [Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Inventory, Policy [Policy Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net (decrease) increase in cash and cash equivalents
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by financing activities
us-gaap_Liabilities
Total liabilities
Sale of Stock [Axis]
Sale of Stock [Domain]
us-gaap_OperatingIncomeLoss
Loss from operations
Other income (expense):
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash used in operating activities
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Prepaid expenses and other current assets
Adjusted cost of product revenue
Cost of product revenue
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
Consolidation Items [Domain]
us-gaap_DeferredTaxLiabilitiesLeasingArrangements
Right-of-use assets
Consolidation Items [Axis]
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Performance-based and Market-based Options [Member]
Represents performance-based and market-based options.
us-gaap_PaymentsOfStockIssuanceCosts
Payment of deferred issuance costs in relation to at-the-market equity offering program
Concentration Risk, Credit Risk, Policy [Policy Text Block]
R&D manufacturing and engineering
us-gaap_ManufacturingCosts
us-gaap_CostsAndExpenses
Total cost and expenses
us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Proceeds from Issuance or Sale of Equity
Cost and expenses:
Proceeds from issuance of common stock under employee stock purchase plan
Proceeds from exercises of warrants, net of issuance costs
Proceeds from Warrant Exercises
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Retained Earnings [Member]
Product revenue
Product revenue
Proceeds from exercises of stock options
Additional Paid-in Capital [Member]
Common Stock [Member]
Equity Components [Axis]
Equity Component [Domain]
Stock, Class of Stock [Table]
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)
Class of Warrant or Right [Axis]
Class of Warrant or Right [Domain]
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)
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)
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
ICFR Auditor Attestation Flag
State and Local Jurisdiction [Member]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Domestic Tax Jurisdiction [Member]
Foreign Tax Jurisdiction [Member]
Document Annual Report
Accounts Receivable [Policy Text Block]
Cash and Cash Equivalents, Policy [Policy Text Block]
Entity Incorporation, State or Country Code
General and Administrative Expense [Member]
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits
Unrecognized tax benefits at beginning of year
Unrecognized tax benefits at beginning of year
us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Accounting Policies [Abstract]
Significant Accounting Policies [Text Block]
Document Transition Report
Document Financial Statement Error Correction [Flag]
Selling, General and Administrative Expenses [Member]
Entity Interactive Data Current
Increases related to prior year tax positions
Security Exchange Name
us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Decreases related to prior year tax positions
Increases related to current year tax positions
Title of 12(b) Security
Cost of Sales [Member]
Research and Development Expense [Member]
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Domain]
Auditor Name
Rights offering deemed pro-rata distribution to shareholders
Right Offering Deemed Dividend
Rights offering deemed pro-rata distribution to shareholders (Note 9)
The amount of right offering deemed dividends
Auditor Firm ID
Auditor Location
plse_EquityOfferingUnitsOfferingValue
Equity Offering Units, Offering Value
The total cost of the Equity offering of warrants and rights.
The 2024 Right Offering [Member]
us-gaap_TaxCreditCarryforwardAmount
Tax Credit Carryforward, Amount
Issuance of equity-classified subscription rights as part of rights offering (Note 9)
Equity Classified Subscription, Value
The value of Equity classified subscriptions.
us-gaap_SharePrice
Share Price (in dollars per share)
Antidilutive securities (in shares)
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Market-based Options [Member]
Represents market-based options.
Performance-based Options [Member]
Represents performance based options.
Statement [Table]
Statement of Financial Position [Abstract]
Time-based and Performance Options [Member]
Represents time-based and performance options.
Weighted average common shares outstanding, basic and diluted (in shares)
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective Tax Rate, percent
Business Combination [Axis]
Net loss per share, basic and diluted (in dollars per share)
Business Combination [Domain]
Business Combination, Series of Individually Immaterial Business Combinations [Member]
Change in valuation allowance, percent
Statement of Cash Flows [Abstract]
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
Schedule of Accrued Liabilities [Table Text Block]
Warrants Issued in 2024 Rights Offering [Member]
Represents the Warrants Issued in 2024 Rights Offering
Accrued severance
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Other, percent
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Stock-based compensation, percent
Accounting Standards Update and Change in Accounting Principle [Table]
Offsetting Liabilities [Table]
State income tax, net of federal tax benefit, percent
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Cash flows from financing activities:
Unpaid warrant issuance costs
Warrant issuance costs.
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Tax at federal statutory rate, percent
us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Change in valuation allowance
plse_SubscriptionRightNumberOfUnits
Subscription Right, Number of Units
The number of units per subscription right.
Majority Stockholder and Co-chairman [Member]
Represents the majority stockholder and Co-Chairman.
Modified Options [Member]
Modified Options
The 2018 Plan [Member]
The 2018 Plan
Changes in unrecognized tax benefits
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the change in unrecognized tax benefits.
Federal and State Jurisdictions [Member]
Federal and State Jurisdictions
plse_FinitelivedIntangibleAssetExpectedAmortizationAfterYearOne
Thereafter
Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after first 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).
Operating Lease, Remaining Term and Discount Rate [Table Text Block]
Tabular disclosure of the remaining term and discount rate of leases.
Non-cash lease expense
us-gaap_StockholdersEquity
Total stockholders’ equity
Balance
Balance
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.
Other
us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther
plse_EffectiveIncomeTaxRateReconciliationChangeInInUnrecognizedTaxBenefitsPercent
Changes in unrecognized tax benefits, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the change in unrecognized tax benefits.
Class of Stock [Axis]
us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
Stock-based compensation
plse_EffectiveIncomeTaxRateReconciliationTaxCreditsResearchAndDevelopmentAmount
Research and development credits
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research and development tax credit.
Research and development credits, percent
The percentage tax rate related to research tax credits.
Operating Segments [Member]
Exercisable, weighted average exercise price (in dollars per share)
State income tax, net of federal tax benefit