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Note 6 - Loss Per Share - Shares Used in Basic and Diluted Loss Per Common Share Computations (Details) Note 6 - Loss Per Share - Antidilutive Securities Excluded from the Diluted Calculations (Details) Note 7 - Income Taxes - Reconciliation of Income Tax Benefit (Expense) (Details) Note 7 - Income Taxes - Components of Deferred Income Taxes (Details) Note 8 - Goodwill and Intangibles - Components of Intangible Assets (Details) Note 8 - Goodwill and Intangibles - Estimated Future Amortization Expense (Details) Note 8 - Goodwill and Intangibles - Goodwill (Details) Share-Based Payment Arrangement, Activity [Table Text Block] Note 9 - Leases - Lease Information (Details) Note 9 - Leases - Rent Obligation (Details) Note 10 - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) Derivative Liability Note 11 - Segments - Segments (Details) Notes To Financial Statements Notes To Financial Statements [Abstract] 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Benefit from release of valuation allowance Income Tax Expense (Benefit), Total Total income tax benefit Accrued expenses Other income Accounts payable Gain on derivative instruments Gain (Loss) on Derivative Instruments, Net, Pretax, Total us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount Defined Contribution Plan, Employer Discretionary Contribution Amount Valuation and Accounting for Stock Options and Warrants, Policy [Policy Text Block] Disclosure of the accounting policy for determining the valuation of options and warrants. 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Current Fiscal Year End Date us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expense and other assets Weighted average discount rate – operating leases Document Fiscal Period Focus Warrants 2018 [Member] Represents warrants 2018. Document Fiscal Year Focus Stock Options 2018 [Member] Represents the stock options in 2018. Lease, Cost [Table Text Block] Document Period End Date Weighted average remaining lease term – operating leases 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] us-gaap_AreaOfRealEstateProperty Area of Real Estate Property (Square Foot) Entity Public Float Entity Filer Category Entity Current Reporting Status Entity Voluntary Filers us-gaap_BusinessCombinationAcquisitionRelatedCosts Business Combination, Acquisition Related Costs Entity Well-known Seasoned Issuer Impairment, finite us-gaap_ImpairmentOfIntangibleAssetsFinitelived us-gaap_AccountsReceivableNet Accounts Receivable, after Allowance for Credit Loss, Total Warrants 2020 [Member] Related to warrants 2020. Impairment, indefinite Loss on intangible impairment Proceeds from issuance of stock pursuant to equity line The cash inflow from the issuance of stock pursuant to equity line. Loss on goodwill impairment Goodwill, Impairment Loss Impairment us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Entity Tax Identification Number Stock Options 2020 [Member] Related to stock options 2020. Entity Central Index Key us-gaap_DepreciationAndAmortization Depreciation and Amortization Entity Registrant Name Equity instruments issued for management, consulting, and other Value of share-based compensation granted to nonemployees, directos, management and other. Entity [Domain] Promissory Note 2019 Conversion Feature Agent Warrants [Member] Related to Promissory Note 2019 conversion feature agent warrants. Legal Entity [Axis] Soluble [Member] Represents information related to Soluble. Skyline [Member] Represents information related to Skyline. Entity Address, Address Line One Helomics' Offices [Member] Represents the lease related to Helomics' offices. Right of use asset Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from right of use assets. us-gaap_AmortizationOfIntangibleAssets Amortization of Intangible Assets Entity Address, City or Town Entity Address, Postal Zip Code Corporate Office, Minnesota [Member] Information pertaining to the corporate office in Eagan, Minnesota. Entity Address, State or Province poai_DefinedContributionPlanEmployerContributionAmount Defined Contribution Plan, Employer Contribution Amount Amount of contributions made by an employer to a defined contribution plan. Entity Common Stock, Shares Outstanding Promissory Note 2020 Conversion Feature, Tranche One [Member] Related to tranche one of the promissory note 2020 conversion feature. Promissory Note 2020 Conversion Feature, Tranche Two [Member] Related to the second trance of the promissory note 2020 conversion feature. Promissory Note 2020 Conversion Feature, Tranche Three [Member] Represents information related to tranche three of conversion feature promissory note. Shares issued pursuant to transition agreement with former CEO Shares issued pursuant to transition agreement with former CEO (in shares) Helomics Holding Corp. [Member] Information pertaining to Helomics Holding Corporation. Helomics Segment [Member] Represents the Helomics segment. us-gaap_IncreaseDecreaseInInventories Inventories Trading Symbol poai_MaximumExpensesReimbursableToPlacementAgent Maximum Expenses Reimbursable to Placement Agent The maximum amount of expenses reimbursable to placement agent. Shares issued pursuant to convertible debt Shares issued pursuant to convertible debt (in shares) Promissory Note 2020 Conversion Feature [Member] Related to Promissory Note 2020 conversion feature. Local Phone Number Promissory Note 2019 Conversion Feature [Member] Related to Promissory Note 2019 conversion feature. poai_SaleOfStockRemainingAvailableBalance Sale of Stock, Remaining Available Balance The remaining available balance in a sale of stock agreement. Warrants and Agent Warrants In Connection With June 2020 Warrant [Member] Represents warrants and agent warrants in connection with June 2020 warrant. us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised Number of Shares Exercised (in shares) us-gaap_TableTextBlock Notes Tables Warrants and Agent Warrants In Connection With May 2020 Warrant [Member] Represents warrants and agent warrants in connection with May 2020 warrant. us-gaap_GainLossOnDispositionOfAssets1 Loss on fixed asset disposal Vesting expense and option repricing (in shares) Vesting expense and option repricing poai_ImpairmentOfIntangibleAssetsSoftwareAcquired Impairment of Intangible Assets, Software Acquired Impairment expense – acquired software Impairment of software acquired. poai_PreferredStockNumberOfVotesPerShare Preferred Stock, Number of Votes, Per Share Information on the number of votes per share. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross Number of Shares Issued (in shares) poai_PreferredStockNumberOfVotesPerOnethousandthOfAShare Preferred Stock, Number of Votes, Per One-thousandth of A Share (in dollars per share) Information on the number of votes per one-thousandth of a share. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod Number of Shares Forfeited (in shares) Warrants and Rights Outstanding, Measurement Input us-gaap_WarrantsAndRightsOutstandingTerm Warrants and Rights Outstanding, Term (Year) poai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractLiabilities Contract liabilities Amount of contract liabilities due, assumed at the acquisition date. Sales and marketing expense poai_SharebasedCompensationArrangementsBySharebasedPaymentAwardOptionsCancelledInPeriodWeightedAverageExercisePrice Average Exercise Price Cancelled (in dollars per share) Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that were cancelled. Shares issued (in shares) Issuance of shares and warrants (in shares) Stock Issued During Period, Shares, New Issues (in shares) Operations expense Warrants 2022 [Member] Information regarding the 2022 warrants. Raw materials us-gaap_InventoryRawMaterialsNetOfReserves Stock Options 2022 [Member] Related to stock options in 2022. Number of Shares Cancelled (in shares) The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Agent Warrants In Connection With June 2020 Warrant [Member] Represents agent warrants in connection with June 2020 warrant. us-gaap_LiabilitiesAndStockholdersEquity Total Liabilities and Stockholders' Equity Finished goods us-gaap_InventoryFinishedGoodsNetOfReserves Work-In-Process us-gaap_InventoryWorkInProcessNetOfReserves Issuance of shares and warrants Stock Issued During Period, Value, New Issues Agent Warrants Issued in Connection with May 2020 Offering [Member] Represents agent warrants issued in connection with May 2020 offering. us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability Embedded Derivative, Fair Value of Embedded Derivative Liability Derivative liability balance Derivative liability balance Shares issued pursuant to Equity Line Value of stock issued for the inducement to equity line. Shares issued pursuant to Equity Line (in shares) The number of shares issued during period for the inducement to equity line. us-gaap_ResearchAndDevelopmentExpense Research and Development Expense, Total poai_NumberOfWarrantsIssuedToEachInvestorPerTwoSharesOfStockPurchased Number of Warrants Issued to Each Investor, Per Two Shares of Stock Purchased (in shares) The number of warrants issued to each investor, per two shares of stock purchased. Accumulated Deficit Registered Direct Offerings [Member] Related to registered direct offerings. poai_PaymentsForPenalties Payment penalties The amount of payments for penalties. Tradename poai_IndefinitelivedIntangibleAssetsExcludingGoodwillNet Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, net of impairment. Measurement Input, Discount Rate [Member] Soluble Biodtech Offices in Birmingham, Alabama [Member] Related to Soluble Biodtech offices located in Birmingham, Alabama. Investor Warrants [Member] Related to investor warrants. zPREDICTA [Member] Represents zPREDICTA business segment. Sales of Stock [Table Text Block] Tabular disclosure for sales and offerings of stock, including private placements. January 12, 2021 Registered Direct Offering [Member] Related to the January 12, 2021 registered direct offering. January 21, 2021 Registered Direct Offering [Member] Related to the January 21, 2021 registered direct offering. June 16, 2021 Registered Direct Offering [Member] Information regarding the June 2021 registered direct offering. poai_SaleOfStockAgentPlacementFeePercentOfGrossProceeds Sale of Stock, Agent Placement Fee, Percent of Gross Proceeds The percent of gross proceeds for an agent placement fee in the sale of stock. Measurement Input, Price Volatility [Member] poai_SaleOfStockManagementFeePercentOfGrossProceeds Sale of Stock, Management Fee, Percent of Gross Proceeds The percent of gross proceeds for a management fee in a sale of stock. Measurement Input, Expected Cash Flow Term [Member] Represents the expected cash flow period. Changes in assets and liabilities: poai_SaleOfStockPlacementAgentWarrantsAssignedNumberOfSecuritiesCalledByWarrantsPercentOfSharesSold Sale of Stock, Placement Agent, Warrants Assigned, Number of Securities Called by Warrants, Percent of Shares Sold The percent of shares sold that warrants assigned to placement agents may be called by the warrants, under a sale of stock. poai_ReportingUnitMeasurementInput Reporting Unit Measurement Input The measurement input for reporting unit. poai_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsPercentOfStockPrice Class of Warrant or Right, Exercise Price of Warrants or Rights, Percent of Stock Price Exercise price per share or per unit of warrants or rights outstanding as a percentage of stock price. Measurement Input, Risk Free Interest Rate [Member] TumorGenesis Offices In Salem Massachusetts [Member] Represents TumorGenesis offices located in Salem, Massachusetts. us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements Derivative Instruments and Hedging Activities Disclosure [Text Block] Inventory Disclosure [Text Block] Subsequent Event [Member] January 26, 2021 Registered Direct Offering [Member] Related to the January 26, 2021 registered direct offering. Operating Lease Liability, long-term portion Measurement Input, Expected Dividend Rate [Member] Other Finite-lived Intangible Assets [Member] Represents other finite-lived intangible assets. Schedule of Inventory, Current [Table Text Block] February 16, 2021 Registered Direct Offering [Member] Related to the February 16, 2021 registered direct offering. Measurement Input, Expected Term [Member] Other Expense Policy [Policy Text Block] Disclosure of accounting policy for other expense. Febuary 23, 2021 Private Placement [Member] Related to the February 23, 2021 private placement. Measurement Input, Long-Term Revenue Growth Rate [Member] zPREDICTA Offices in San Jose California [Member] Represents zPREDICTA offices located in San Jose, California. Present value of lease liabilities Subsequent Event Type [Axis] Operating Lease Liability – Net of Long-Term Portion Subsequent Event Type [Domain] Retirement Benefits [Text Block] Stock Options 2021 [Member] Related to stock options in 2021. Total, Gross Carrying Costs Subsequent Events [Text Block] Helomics Offices, Lease Area for Office Space [Member] Related to Helomics offices leased area for office space. Operating Lease Right-of-Use Assets Helomics Offices, Lease Area for Laboratory [Member] Related to Helomics offices leased area for laboratory. us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Total lease payments Less interest Measurement Input Type [Axis] us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree 2025 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive Thereafter Measurement Input Type [Domain] poai_AccumulatedImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill Indefinite, accumulated amortization The amount of accumulated impairment of intangible assets that are indefinite-lived, excluding goodwill. Corporate Office, Minnesota, Used for Office Space [Member] Related to the corporate office in Minnesota used for office space. Corporate Office, Minnesota, Used for Manufacturing [Member] The corporate office in Minnesota used for manufacturing. Fair Value Measurement, Policy [Policy Text Block] us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo 2024 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree 2025 us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths 2023 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour 2026 us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo 2024 2027 Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Warrants 2021 [Member] Information regarding the 2021 warrants. us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths 2023 Patents and Trademarks [Member] Represents patents and trademarks. Series B Convertible Preferred Stock [Member] Outstanding nonredeemable series B preferred stock that is convertible and may be exchanged into common shares or other types of securities at the owner's option. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Share issuance to consultant and other The values shares issued for services and other adjustments to equity. Exercise of warrants (in shares) Number of shares issued as a result of the exercise of warrants. Share issuance to consultant and other (in shares) The number of shares issued for service and other adjustments. Exercise of warrants Value of stock issued as a result of the exercise of warrants. Lessee, Operating Lease, Liability, Maturity [Table Text Block] Other Long-Term Assets Vesting expense us-gaap_ShareBasedCompensation Lessee, Leases [Policy Text Block] us-gaap_FiniteLivedIntangibleAssetUsefulLife Finite-Lived Intangible Asset, Useful Life (Year) Developed Technology [Member] Represents developed technology. Amortization of debt discount Income Tax, Policy [Policy Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] us-gaap_LesseeOperatingLeaseTermOfContract Lessee, Operating Lease, Term of Contract (Year) Research and Development Expense, Policy [Policy Text Block] us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1 Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year) us-gaap_Depreciation Depreciation, Total Depreciation and amortization Intangible Assets Disclosure [Text Block] Shares issued, price per share (in dollars per share) us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share (in dollars per share) us-gaap_AssetsCurrent Total Current Assets Stockholders' Equity Note Disclosure [Text Block] poai_ClassOfWarrantOrRightCancelledDuringPeriod Warrants,cancelled (in shares) The number of warrants or rights cancelled during period. poai_ClassOfWarrantOrRightExpiredDuringPeriod Warrants,expired (in shares) The number of warrants or rights expired during period. Impairment Loss on impairment of intangibles Impairment of Intangible Assets (Excluding Goodwill), Total Impairment expense – intangibles Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Common Stock, $.01 par value, 200,000,000 authorized, 78,762,701 and 65,614,597 outstanding poai_StockIssuedDuringPeriodValueAccruedInterest Shares issued pursuant to agreement with former CEO related to accrued interest The value of stock issued during the period for accrued interest. poai_ClassOfWarrantOrRightForfeitedDuringPeriod Warrants,forfeited (in shares) The number of warrants or rights forfeited during period. poai_StockIssuedDuringPeriodSharesAccruedInterest Shares issued pursuant to agreement with former CEO related to accrued interest (in shares) The number of shares issued during period for accrued interest. Adjustments to reconcile net loss to net cash used in operating activities: poai_ClassOfWarrantOrRightExpiredDuringPeriodExercisePrice Expired, average exercise price, warrants (in dollars per share) The exercise price of warrants or rights expired during the period. Common stock, shares authorized (in shares) Common Stock, Shares Authorized (in shares) Loss on long-lived tangible asset impairment Tangible Asset Impairment Charges, Total Impairment expense – Long-lived tangible assets Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share (in dollars per share) Revenue from Contract with Customer [Policy Text Block] poai_ClassOfWarrantOrRightCancelledDuringPeriodExercisePrice Cancelled, average exercise price, warrants (in dollars per share) The exercise price of warrants or rights cancelled during the period. us-gaap_CommonStockCapitalSharesReservedForFutureIssuance Common Stock, Capital Shares Reserved for Future Issuance (in shares) us-gaap_DeferredTaxAssetsValuationAllowance Less: valuation allowance Statistical Measurement [Domain] Maximum [Member] Minimum [Member] Statistical Measurement [Axis] Preferred Stock, 20,000,000 authorized inclusive of designated below Series B Convertible Preferred Stock, $.01 par value, 2,300,000 shares authorized, 79,246 shares outstanding us-gaap_DeferredTaxAssetsLiabilitiesNet Total Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Interest paid on debt Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment [Table Text Block] us-gaap_DeferredTaxAssetsGross Total deferred tax assets Preferred stock, shares authorized (in shares) Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] us-gaap_DeferredIncomeTaxLiabilities Total deferred tax liabilities us-gaap_InventoryNet Inventories Total Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share (in dollars per share) Revenue Revenue Deferred revenue us-gaap_DeferredTaxAssetsDerivativeInstruments Derivatives us-gaap_DeferredTaxAssetsInventory Inventory us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets Intangibles us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals Accruals and reserves Risks and Uncertainties Policy [Policy Text Block] Disclosure of accounting policy for risks and uncertainties common to companies in the medical device industry. Stock Options 2017 [Member] Represents the stock options in 2017. Property, plant, and equipment, useful life (Year) us-gaap_PropertyPlantAndEquipmentUsefulLife A, B and Agent Warrants [Member] Represents the A, B and agent warrants. Cash flow from operating activities: Schedule of Segment Reporting Information, by Segment [Table Text Block] Statement [Line Items] us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent Accounts Receivable, Allowance for Credit Loss, Current us-gaap_NumberOfOperatingSegments Number of Operating Segments Accounts Receivable poai_ClassOfWarrantOrRightExercisedDuringPeriod Warrants,exercised (in shares) The number of warrants or rights exercised during period. us-gaap_NumberOfReportableSegments Number of Reportable Segments us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits Compensation accruals Additional Paid-in Capital Stockholders’ Equity: us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards Charitable contribution carryover Leasehold Improvements [Member] Property, Plant and Equipment, Policy [Policy Text Block] us-gaap_OtherNonoperatingExpense Other expense Long-Lived Tangible Asset [Axis] Segment Reporting Disclosure [Text Block] Schedule of Share-based Compensation Shares Authorized Under Stock Option and Warrant Plans by Exercise Price Range [Table Text Block] Tabular disclosure of option and warrant exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. Long-Lived Tangible Asset [Domain] Stock Options One [Member] Represents the first stock option. Stock Options Three [Member] Represents the third stock option. Stock Options Two [Member] Represents the second stock options. Current Assets: Stock Options Four [Member] Represents the fourth stock option. us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Stock Options Five [Member] Represents the fifth stock option. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash and cash equivalents at beginning of year Cash and cash equivalents end of year Inventory, Policy [Policy Text Block] Private Placement [Member] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net increase (decrease) in cash and cash equivalents us-gaap_Liabilities Total Liabilities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities Sale of Stock [Axis] Sale of Stock [Domain] us-gaap_OperatingIncomeLoss Total operating loss us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities: us-gaap_ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination Prepaid Expense and Other Assets us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_GrossProfit Gross profit Cost of sales Warrant Two [Member] Represents warrant two. Warrant One [Member] Represents warrant one. Warrant Four [Member] Represents warrant four. Consolidation Items [Domain] Warrant Three [Member] Represents warrant three. Warrant Five [Member] Represents warrant five. us-gaap_ContractWithCustomerLiability Contract with Customer, Liability, Total us-gaap_DerivativeLiabilities Derivative Liability, Total Consolidation Items [Axis] us-gaap_ProceedsFromPaymentsForOtherFinancingActivities Other liabilities Weighted average remaining life, warrants (Year) Weighted average remaining contractual term for warrants outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Stock Options 2013 [Member] Represents the stock options in 2013. Stock Options 2015 [Member] Represents the stock options in 2015. Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock Options 2014 [Member] Represents the stock options in 2014. Stock Options 2016 [Member] Represents the stock options in 2016. us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment Depreciation June 2021 Offering [Member] Related to the June 2021 offering. Gross proceeds us-gaap_ProceedsFromIssuanceOrSaleOfEquity us-gaap_PaymentsForRepurchaseOfCommonStock Repurchase of common stock upon vesting of restricted stock units Proceeds from exercise of warrants into common stock Proceeds from Warrant Exercises Retained Earnings [Member] Proceeds from issuance of common stock, net Additional Paid-in Capital [Member] Common Stock [Member] Preferred Stock [Member] Equity Components [Axis] Equity Component [Domain] Warrants issued, exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) Warrants, average exercise price (in dollars per share) Warrants, average exercise price, warrants (in dollars per share) Class of Warrant or Right [Axis] Warrants issued (in shares) Warrants, issued (in shares) The number of warrants or rights issued during period. Class of Warrant or Right [Domain] Shares, warrants (in shares) Shares, warrants (in shares) Warrants, outstanding (in shares) Warrants, outstanding (in shares) us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Loss before income tax benefit 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 Authority [Axis] Income Tax Authority [Domain] Domestic Tax Authority [Member] Office Equipment [Member] Document Annual Report Existing Warrants [Member] Represents the existing warrants. May 2022 Offerings [Member] Represents the May 2022 offerings. Cash and Cash Equivalents, Policy [Policy Text Block] May 2022 First Offering [Member] Represents the first May 2022 offering. Warrants Issued with First May 2022 Offering [Member] Represents warrants issued with the first May 2022 offering. May 2022 Second Offering [Member] Represents the second May 2022 offering. Receivable [Policy Text Block] Entity Incorporation, State or Country Code us-gaap_UnrecognizedTaxBenefits Unrecognized Tax Benefits, Ending Balance Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Document Transition Report Basis of Accounting, Policy [Policy Text Block] Entity Interactive Data Current us-gaap_CommonStockDividendsPerShareDeclared Common Stock, Dividends, Per Share, Declared (in dollars per share) Security Exchange Name Title of 12(b) Security Total Issuances [Member] Related to total issuances. Operating Activities [Domain] Auditor Name Operating Activities [Axis] Auditor Firm ID Auditor Location Segments [Axis] Segments [Domain] Effect of diluted stock options, warrants and preferred stock (1) (in shares) Antidilutive Securities (in shares) us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Weighted average common shares outstanding-diluted (in shares) NOL adjustments 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 increase (decrease) state net operating loss adjustment. poai_EffectiveIncomeTaxRateReconciliationStateTaxRateAdjustmentAmount State rate adjustment 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 increase (decrease) in the state income tax rates. Foreign tax benefit 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 foreign income tax benefit. us-gaap_OperatingLossCarryforwards Operating Loss Carryforwards poai_DeferredTaxAssetsOperatingLossCarryforwardsAndCredits NOL and credits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards and tax credits. NSQO compensation Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from NQSO compensation. us-gaap_OperatingLossCarryforwardsValuationAllowance Operating Loss Carryforwards, Valuation Allowance Statement [Table] poai_DeferredTaxAssetsLiabilitiesGross Net deferred tax assets Amount, after deferred tax liability, of deferred tax asset attributable to taxable differences without jurisdictional netting, before valuation allowance. Statement of Financial Position [Abstract] poai_ClassOfWarrantOrRightNumberOfWarrantsVestedAndExercisable Class of Warrant or Right Number of Warrants Vested and Exercisable (in shares) The number of warrants that are fully vested and exercisable at the balance sheet date. Weighted average shares used in computation - basic and diluted (in shares) Business Acquisition [Axis] Stock Incentive Plan 2012 [Member] Represents Stock Incentive Plan 2012. Loss per common share - basic and diluted (in dollars per share) Business Acquisition, Acquiree [Domain] Statement of Cash Flows [Abstract] Lease Contractual Term [Domain] Statement of Stockholders' Equity [Abstract] Lease Contractual Term [Axis] Income Statement [Abstract] us-gaap_RepaymentsOfDebt Repayment of debt Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Equity Line Purchase Agreement [Member] Represents information related to equity line purchase agreement. poai_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses Accrued expenses Amount of accrued expenses, assumed at the acquisition date. Effect of Covid-19 Pandemic [Policy Text Block] The disclosure of the accounting policy for effects of COVID-19 pandemic. Inducement shares issued pursuant to convertible debt The value of inducement shares issued for debt extension. us-gaap_IncomeTaxReconciliationOtherAdjustments Other Cash flow from financing activities: Other Long-Term Liabilities us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance Valuation allowance increase Corporate, Non-Segment [Member] Series F Preferred Stock [Member] poai_IssuanceOrSaleOfEquityCanBeRaised Issuance or Sale of Equity, Can Be Raised Represents the amount of issuance or sale of equity can be raised. us-gaap_StockholdersEquity Total Stockholders' Equity Balance Balance us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired Acquisition of zPREDICTA, net of cash acquired us-gaap_IncomeTaxReconciliationNondeductibleExpense Nondeductible/nontaxable items Class of Stock [Axis] Goodwill impairment us-gaap_IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses Class of Stock [Domain] us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities Deferred tax liability Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] us-gaap_PaymentsToAcquireBusinessesGross Payments to Acquire Businesses, Gross poai_ValuationAllowancePercentage Valuation Allowance Percentage Percentage valuation allowance that is appropriate for deferred tax assets and state income taxes. Placement Agent Warrants [Member] Related to the placement agent warrants. Schedule of Derivative Liabilities at Fair Value [Table Text Block] Operating Segments [Member] us-gaap_PaymentsToAcquireLoansReceivable Loan activities Options, upper limit (in dollars per share) us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions Shares, options (in shares) Exercise Price Range [Axis] us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes State tax benefit, net of federal taxes Equity Incentive Plan [Member] Information pertaining to the equity incentive plan. Exercise Price Range [Domain] us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential Foreign operations tax rate differential Options, lower limit (in dollars per share)