Document And Entity Information
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Note To Financial Statement Details Textual
Note 3 - Marketable Securities
Note 4 - Inventories
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Note 6 - Stock-based Compensation
Note 7 - Earnings Per Share
Due in one year or less
Note 10 - Discontinued Operations
Due after one year through five years
us-gaap_PaymentsForRestructuring
Cash Payments
Note 3 - Marketable Securities - Summary of Available-for-sale Securities (Details)
Note 3 - Marketable Securities - Summary of Unrealized Gains and Losses on Available-for-sale Securities (Details)
Note 3 - Marketable Securities - Estimated Fair Value of Securities by Contractual Maturity (Details)
Note 4 - Inventories - Summary of Inventories (Details)
Income Tax Disclosure [Text Block]
Note 6 - Stock-based Compensation - Option Activity (Details)
Note 7 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details)
Unrealized holding gains (losses) arising during the period
Note 10 - Discontinued Operations - Summary for Discontinued Operations (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Note 10 - Discontinued Operations - Restructuring Charges (Details)
Other assets
Stock-based compensation
us-gaap_LiabilitiesCurrent
Total current liabilities
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Less: reclassification adjustment for gains (losses) included in net earnings
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Current Liabilities - Discontinued Operations (Note 10)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Balance, weighted average remaining contractual term (Year)
Amortization of bond premium
Debt Security, Corporate, US [Member]
Share-based Compensation, Stock Options, Activity [Table Text Block]
us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
Foreign currency translation
Proceeds from sales and maturities of marketable securities
pke_StockRepurchaseProgramNumberOfAdditionalSharesAuthorizedToBeRepurchased
Stock Repurchase Program, Number of Additional Shares Authorized to be Repurchased
The additional number of shares authorized, during the period, to be repurchased by an entity's Board of Directors under a stock repurchase plan.
Depreciation and amortization
US Treasury and Government [Member]
Other comprehensive earnings (loss), net of tax:
pke_ProceedsFromSaleOfTreasuryStockStockOptionsExercised
Proceeds from Sale of Treasury Stock, Stock Options Exercised
The cash inflow from the issuance of an equity stock that has been previously reacquired by the entity due to the exercise of stock options granted under share-based compensation arrangement.
Vested and exercisable, weighted average exercise price (in dollars per share)
us-gaap_AssetsCurrent
Total current assets
Vested and exercisable, weighted average remaining contractual term (Year)
Stockholders' Equity Note Disclosure [Text Block]
Vested and exercisable (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Current Assets - Discontinued Operations (Note 10)
us-gaap_PaymentsToAcquireMarketableSecurities
Purchases of marketable securities
Financial Instruments [Domain]
Adjustments to reconcile net earnings to net cash provided by operating activities:
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Balance, weighted average exercise price (in dollars per share)
Balance, weighted average exercise price (in dollars per share)
Terminated or expired, weighted average exercise price (in dollars per share)
Financial Instrument [Axis]
Granted, weighted average exercise price (in dollars per share)
Exercised, weighted average exercise price (in dollars per share)
Accrued liabilities
Income taxes payable
Accounts payable
Revolving Credit Facility [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding options (in shares)
Outstanding options (in shares)
pke_StockRepurchaseProgramPercentageOfOutstandingSharesAuthorizedToBeRepurchased
Stock Repurchase Program, Percentage of Outstanding Shares Authorized to be Repurchased
The percent of outstanding stock authorized to be repurchased
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Outstanding options, terminated or expired (in shares)
Credit Facility [Axis]
Credit Facility [Domain]
Common stock
Cash paid during the period for interest
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Facility Lease Costs [Member]
The restructuring costs in related to facility lease costs.
Equipment Removal [Member]
The restructuring costs in related to equipment removal.
Inventories (Note 4)
Net sales
Fair Value, Inputs, Level 3 [Member]
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchase of property, plant and equipment
Fair Value Hierarchy and NAV [Domain]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
Cash paid during the period for income taxes, net of refunds
Fair Value Hierarchy and NAV [Axis]
Current liabilities:
us-gaap_Assets
Total assets
Supplemental cash flow information:
us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
Total Assets Included as Part of Discontinued Operations
Inventories:
Plan Name [Axis]
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options
Fixed Assets, Net
us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment
Cash flows from operating activities:
Inventories
us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1
Prepaid Expenses and Other Current Assets
us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets
Other Assets
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets
Statement [Line Items]
Accounts receivable, allowance for doubtful accounts
Accounts receivable, less allowance for doubtful accounts of $32 and $32, respectively
Accounts Receivable, Net
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
Additional paid-in capital
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Marketable securities (Note 3)
pke_StockoldersEquityIncludingTreasuryStock
Total of all stockholders' equity (deficit), including treasury stock.
Shareholders' equity (Note 8):
Equity Award [Domain]
Current assets:
Net earnings - continuing operations
Net earnings from continuing operations
Net earnings from continuing operations
Fair Value Disclosures [Text Block]
Net earnings - discontinued operations
Earnings (Loss) from discontinued operations, net of tax (Note 10)
Net earnings (loss) from discontinued operations
Award Type [Axis]
Net earnings
Net earnings
Net Earnings
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Effect of exchange rate changes on cash and cash equivalents - discontinued operations
us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Effect of exchange rate changes on cash and cash equivalents
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Increase (decrease) in cash and cash equivalents
us-gaap_Liabilities
Total liabilities
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used in financing activities
Commitments and contingencies (Note 11)
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes
Effect of exchange rate changes on cash and cash equivalents - continuing operations
us-gaap_OperatingIncomeLoss
Earnings from continuing operations
Employee Stock Option [Member]
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
Total Liabilities Included as Part of Discontinued Operations
Prepaid expenses and other current assets
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash provided by (used in) investing activities
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
us-gaap_GrossProfit
Gross profit
Cost of sales
Net cash provided by operating activities - discontinued operations
Net cash used in investing activities - discontinued operations
Net cash used in financing activities - discontinued operations
us-gaap_NetCashProvidedByUsedInDiscontinuedOperations
Increase in cash and cash equivalents before effect of exchange rate changes - discontinued operations
us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net cash provided by (used in) investing activities - continuing operations
Property, plant and equipment, net
us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net cash used in financing activities - continuing operations
Contingencies Disclosure [Text Block]
us-gaap_NetCashProvidedByUsedInContinuingOperations
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes - continuing operations
us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net cash provided by operating activities - continuing operations
Electronics Business [Member]
Represents information pertaining to Electronics Business.
pke_DisposalGroupIncludingDiscontinuedOperationMajorLiabilities
Total Major Liabilities Included as Part of Discontinued Operations
Amount of major liabilities attributable to disposal group held for sale or disposed of.
pke_DisposalGroupIncludingDiscontinuedOperationMajorAssets
Total Major Assets Included as Part of Discontinued Operations
Amount of major assets attributable to disposal group held for sale or disposed of.
Restructuring charges
pke_DisposalGroupIncludingDiscontinuedOperationRestructuringCharges
Amount of restructuring charges attributable to disposal group, including, but not limited to, discontinued operation.
HSBC Bank USA [Member]
Represents information pertaining to HSBC Bank USA.
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
us-gaap_PaymentsOfDividends
Dividends paid
Gains on Marketable Securities [Member]
Gains on marketable securities.
Losses on Marketable Securities [Member]
Represents losses on marketable securities.
Interest and other income
us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
Earnings (loss) from discontinued operations before income taxes
Income tax (benefit) provision
us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
us-gaap_IncreaseDecreaseInOperatingCapital
Changes in operating assets and liabilities
Cash flows from investing activities:
Earnings Per Share [Text Block]
Proceeds from exercise of stock options
us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased
Letter of Credit [Member]
us-gaap_ForeignEarningsRepatriated
Foreign Earnings Repatriated
us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Stock Repurchase Program, Number of Shares Authorized to be Repurchased
Income tax (benefit) provision (Note 9)
Short-term Debt, Type [Axis]
Equity Components [Axis]
Short-term Debt, Type [Domain]
Equity Component [Domain]
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Earnings from continuing operations before income taxes
us-gaap_DebtInstrumentTerm
Debt Instrument, Term
Cash and cash equivalents
Consolidation of Nelco Products, Inc. and Neltec, Inc. [Member]
Represents the consolidation of Nelco Products, Inc. subsidiary located in Fullerton, California and Neltec, Inc. subsidiary located in Tempe, Arizona.
us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax
Allocated Share-based Compensation Expense, Net of Tax
us-gaap_RepaymentsOfLongTermDebt
Payments of long-term debt
Amendment Flag
Accounting Policies [Abstract]
us-gaap_ComprehensiveIncomeNetOfTax
Total comprehensive earnings
2018 Stock Option Plan [Member]
Represents the information pertaining to 2018 Stock Option Plan.
us-gaap_CommonStockDividendsPerShareDeclared
Dividends declared per share (in dollars per share)
us-gaap_CommonStockSharesOutstanding
Common Stock, Shares, Outstanding, Ending Balance
Current Fiscal Year End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Period End Date
Discontinued Operations, Held-for-sale [Member]
Document Type
Deferred Income Taxes
us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities
Document Information [Line Items]
Document Information [Table]
us-gaap_EnvironmentalRemediationExpense
Environmental Remediation Expense
Other Liabilities
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherLiabilities
Accrued Liabilities
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities
Entity Filer Category
Entity Current Reporting Status
Current Period Charges
us-gaap_RestructuringCharges
Restructuring Charges, Total
Entity Emerging Growth Company
Entity Small Business
Income Taxes Payable
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedIncomeTaxPayable
Accounts Payable
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable
Net effect of dilutive options (in shares)
us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
pke_PercentageOfStockOptionsExercisableOneYearFromDateOfGrant
Percentage of Stock Options, Exercisable One Year From Date of Grant
Percentage of stock options exercisable one year from date of grant.
pke_PercentageOfStockOptionsExercisableOnEachSucceedingYearFromDateOfGrant
Percentage of Stock Options Exercisable On Each Succeeding Year from Date of Grant
Percentage of stock options exercisable on each succeeding year from the date of grant.
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Weighted average shares outstanding for diluted EPS (in shares)
us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted weighted average shares (in shares)
Statement of Comprehensive Income [Abstract]
Entity Central Index Key
Entity Registrant Name
pke_NumberOfSitesOfCompanyOrSubsidiariesThatHaveBeenNamedForPotentialEnvironmentalRemediationLiability
Number of Sites of Company or Subsidiaries That Have Been Named for Potential Environmental Remediation Liability
Number of sites of the company or subsidiaries that have been named for potential environmental remediation liability.
pke_PercentageOfLegalDefenseAndRemediationCostsAssociatedWithSitesReimbursedByInsuranceCarriers
Percentage of Legal Defense and Remediation Costs Associated with Sites Reimbursed by Insurance Carriers
Percentage of legal defense and remediation costs associated with sites reimbursed by insurance carriers.
Entity [Domain]
pke_NumberOfUnitsCoveredUnderGeneralLiabilityInsuranceCoverage
Number of Units Covered Under General Liability Insurance Coverage
Number of units covered under general liability insurance coverage.
Legal Entity [Axis]
Statement [Table]
Diluted earnings per share - discontinued operations (in dollars per share)
us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Discontinued Operations (in dollars per share)
Scenario [Axis]
Statement of Financial Position [Abstract]
Diluted earnings per share (in dollars per share)
us-gaap_EarningsPerShareDiluted
Diluted earnings per share (in dollars per share)
Scenario, Unspecified [Domain]
Weighted average common shares outstanding for basic EPS (in shares)
Basic weighted average shares (in shares)
Diluted:
Diluted earnings per share - continuing operations (in dollars per share)
us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Continuing Operations (in dollars per share)
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective Income Tax Rate Reconciliation, Percent, Total
Basic earnings per share - discontinued operations (in dollars per share)
us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Discontinued Operations (in dollars per share)
Available-for-sale securities
Basic earnings per share (in dollars per share)
us-gaap_EarningsPerShareBasic
Basic earnings per share (in dollars per share)
Selling, general and administrative expenses
us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense
us-gaap_TreasuryStockValue
Less treasury stock, at cost
Basic earnings per share - continuing operations (in dollars per share)
us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Continuing Operations (in dollars per share)
us-gaap_StockRepurchasedDuringPeriodShares
Stock Repurchased During Period, Shares
Basic:
Net sales
us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Statement of Cash Flows [Abstract]
Cost of sales
us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold
us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss
Gross profit
Entity Common Stock, Shares Outstanding (in shares)
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Disposal Group, Including Discontinued Operation, Consideration
Income Statement [Abstract]
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Other comprehensive earnings (loss)
Disposal Groups, Including Discontinued Operations [Table Text Block]
Disposal Group Name [Axis]
us-gaap_RestructuringReserve
Accrued, Beginning Balance
Accrued, Ending Balance
Disposal Group Name [Domain]
Amortized cost basis
us-gaap_RestructuringReserveSettledWithoutCash2
Non-Cash Charges
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Trading Symbol
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Total Costs Accrued to Date
us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Restructuring and Related Cost, Expected Cost Remaining
Total Expected Costs
us-gaap_RestructuringAndRelatedCostExpectedCost1
Investments Classified by Contractual Maturity Date [Table Text Block]
us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Outstanding options, exercised (in shares)
us-gaap_TableTextBlock
Notes Tables
Schedule of Unrealized Loss on Investments [Table Text Block]
Restructuring Plan [Axis]
Restructuring Plan [Domain]
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Other Restructuring [Member]
Type of Restructuring [Domain]
Facility Closing [Member]
Gross unrealized gains
Employee Severance [Member]
Gross unrealized losses
Restructuring and Related Costs [Table Text Block]
Selling, general and administrative expenses
Restructuring Type [Axis]
Non-current Liabilities - Discontinued Operations (Note 10)
Outstanding options, granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Cash flows from financing activities:
Other liabilities
Line of Credit Facility, Lender [Domain]
us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount
Raw materials
Lender Name [Axis]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and shareholders' equity
Finished goods
Deferred income taxes (Note 9)
Work-in-process
Non-current Assets - Discontinued Operations (Note 10)
Accumulated deficit
Accumulated other comprehensive earnings
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Table Text Block]
Debt Disclosure [Text Block]
us-gaap_AccrualForEnvironmentalLossContingencies
Accrual for Environmental Loss Contingencies, Ending Balance
Interest expense (Note 5)
Interest Expense, Total
us-gaap_StockholdersEquity
Total shareholders' equity
Non-current income taxes payable (Note 9)
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Inventory Disclosure [Text Block]
Schedule of Inventory, Current [Table Text Block]
Class of Stock [Axis]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Goodwill and other intangible assets
Deferred income taxes