Document And Entity Information
Expected dividend yield
us-gaap_DerivativeNotionalAmount
Derivative, Notional Amount
Note To Financial Statement Details Textual
Federal tax expense at the statutory rate
Significant Accounting Policies
Risk-free interest rates
Note 2 - Leases
Note 3 - Revenue From Contracts With Customers
Note 5 - Accounts Receivable
Note 6 - Inventory
Note 7 - Other Current Assets
Note 8 - Property, Plant and Equipment
Category of Item Purchased [Axis]
Note 9 - Other Assets
Long-Term Purchase Commitment, Category of Item Purchased [Domain]
Income Tax Disclosure [Text Block]
Note 10 - Accrued Liabilities
Note 11 - Other Liabilities
Note 12 - Debt
Expected volatility
Note 14 - Employee Benefit Plans
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 16 - Stock Option and Purchase Plans
Schedule of Maturities of Long-Term Debt [Table Text Block]
Note 17 - Stockholders' Equity
Note 18 - Income Taxes
Note 20 - Loss Per Common Share
Expected life (years) (Year)
Note 21 - Segment Information
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax
Nonvested shares, aggregate intrinsic value
Note 2 - Leases - Lease Expense (Details)
Schedule of Other Assets [Table Text Block]
Note 2 - Leases - Supplemental Cash Flow Information Related to Leases (Details)
Nonvested shares, weighted average remaining term (Year)
Note 2 - Leases - Maturities of Lease Liabilities (Details)
Employee benefit related, net of tax
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Schedule of Other Current Assets [Table Text Block]
Note 2 - Leases - Information Related to Lease Terms and Discount Rates (Details)
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details)
Note 5 - Accounts Receivable - Accounts Receivable (Details)
Amortization for the year, net of tax
Note 6 - Inventory - Inventory Components (Details)
Note 7 - Other Current Assets - Other Current Assets (Details)
Net actuarial loss for the year, net of tax
Note 8 - Property, Plant and Equipment - Property, Plant and Equipment Components (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 9 - Other Assets - Summary of Other Assets (Details)
Note 10 - Accrued Liabilities - Summary of Accrued Liabilities (Details)
Granted, weighted average grant date fair value (in dollars per share)
Note 11 - Other Liabilities - Other Liabilities (Details)
Vested, weighted average grant date fair value (in dollars per share)
Note 12 - Debt - Debt Components (Details)
Forfeited, weighted average grant date fair value (in dollars per share)
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Note 12 - Debt - Maturities of Equipment Financing Obligations (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Nonvested shares, weighted average grant date fair value (in dollars per share)
Nonvested shares, weighted average grant date fair value (in dollars per share)
Note 14 - Employee Benefit Plans - Components of Pension Expense (Benefit) (Details)
Foreign currency translation adjustments, net of tax
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Forfeited, shares (in shares)
Note 14 - Employee Benefit Plans - Components of Pension Expense (Benefit) (Details) (Parentheticals)
Note 14 - Employee Benefit Plans - Summaries of Changes in Benefit Obligations and Plan Assets and of Funded Status of Pension Plans (Details)
Foreign currency translation adjustment, net of tax
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Nonvested shares (in shares)
Nonvested shares (in shares)
Fixed Income Securities [Member]
Note 14 - Employee Benefit Plans - Summary of Fair Values of Pension Plan Assets (Details)
us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Current portion of long-term debt and finance lease obligations
Derivative [Table]
Note 14 - Employee Benefit Plans - Benefits Expected to be Paid (Details)
Granted, shares (in shares)
Note 16 - Stock Option and Purchase Plans - Estimate Fair Value of Options Granted (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested, shares (in shares)
Note 16 - Stock Option and Purchase Plans - Summary of Restricted Stock Activity (Details)
Note 16 - Stock Option and Purchase Plans - Summary of Option Activity (Details)
Note 17 - Stockholders' Equity - Accumulated Other Comprehensive Loss (Details)
Note 17 - Stockholders' Equity - Components of Accumulated Other Comprehensive Income (Details)
Note 18 - Income Taxes - Components of Income (Loss) From Continuing Operations Before Taxes (Details)
Note 18 - Income Taxes - Components of Income Tax Expense (Benefit) Applicable to Continuing Operations (Details)
Note 18 - Income Taxes - Summary of Reconciliation of Income Tax Expense (Details)
Note 18 - Income Taxes - Summary of Deferred Income Tax Assets and Liabilities (Details)
Equity Securities [Member]
Exercisable, weighed average exercise price, options (in dollars per share)
Note 20 - Loss Per Common Share - Schedule of Loss Per Common Share (Details)
Exercisable, weighted average remaing term, options (Year)
Schedule of Net Benefit Costs [Table Text Block]
Note 21 - Segment Information - Schedule of Segment Reporting Information (Details)
Exercisable, aggregate intrinsic value, options
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value
Foreign Exchange Contract [Member]
Note 21 - Segment Information - Reconciliation of Assets and Liabilities (Details)
Notes To Financial Statements
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Notes To Financial Statements [Abstract]
Exercisable, options (in shares)
Schedule of Expected Benefit Payments [Table Text Block]
Working capital line of credit
Outstanding, weighted average remaining term, options (Year)
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Outstanding, aggregate intrinsic value, options
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Schedule of Allocation of Plan Assets [Table Text Block]
Two Customers [Member]
Relating to two customers.
Retirement Plan Name [Axis]
Retirement Plan Name [Domain]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighed average exercise price, options (in dollars per share)
Outstanding, weighed average exercise price, options (in dollars per share)
Forfeited, weighed average exercise price, options (in dollars per share)
Customer ADI [Member]
Represents customer ADI.
Contract liabilities – short term
Contract with Customer, Liability, Current
Expired, weighed average exercise price, options (in dollars per share)
Customer Subcom [Member]
Represents customer Subcom.
sypr_OperatingLeasePaymentsPercentageAnnualIncrease
Operating Lease, Payments, Percentage Annual Increase
The percentage annual increase to operating lease payments.
Income, property and other taxes
Granted, weighed average exercise price, options (in dollars per share)
Exercised, weighed average exercise price, options (in dollars per share)
Accrued liabilities
Accrued liabilities
Derivatives and Fair Value [Text Block]
Land and Building in Toluca, Mexico [Member]
Represents information pertaining to the land and building in Toluca, Mexico.
Interest payable – related party
Accounts payable
Sale of Facility in Louisville, Kentucky [Member]
Represents information pertaining to the sale of the facility in Louisville, Kentucky.
sypr_FinancingLeaseIncreaseDecreaseDuringPeriod
Financing Lease, Increase/Decrease During Period
The amount of increase/decrease to the balance of financing leases during the reporting period.
Employee benefit plans
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding, options (in shares)
Outstanding, options (in shares)
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Expired, options (in shares)
Capital expenditures purchased through equipment financing obligations
Proceeds from sale leaseback transaction
Proceeds from Sale of Property, Plant, and Equipment
Salaries, wages, employment taxes and withholdings
sypr_SaleLeasebackTransactionInitialAnnualPayment
Sale Leaseback Transaction, Initial Annual Payment
The initial annual payment for a sale leaseback transaction.
sypr_ProceedsFromSaleLoanAndLeaseHeldforinvestmentGross
Proceeds From Sale, Loan, and Lease, Held-for-investment, Gross
The gross cash inflow from (a) sales of loans held-for-investment, (b) sales of leases held-for-investment, and (c) both. Includes proceeds from securitizations of loans.
Other
sypr_LeaseTransactionCosts
Lease Transaction Costs
The amount of lease transaction costs.
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Accrued professional fees
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Capital expenditures
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Weighted average shares outstanding:
Current liabilities:
Total assets
us-gaap_Assets
Total assets
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Three Customers [Member]
Represents three customers.
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Other Assets Disclosure [Text Block]
Other Current Assets [Text Block]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net loss allocable to common stockholders
us-gaap_DeferredIncomeTaxAssetsNet
Deferred tax asset, net
Share-Based Payment Arrangement [Text Block]
Award Type [Domain]
Effective Income Tax Rate Reconciliation [Table]
Net loss
Net loss
Net loss
Net Income (Loss) Attributable to Parent
Award Type [Axis]
us-gaap_InterestCostsCapitalized
Interest Costs Capitalized
Restricted Stock [Member]
Share-Based Payment Arrangement, Option [Member]
sypr_DeferredTaxLiabilitiesRightOfUseAssets
Right-of-use assets, net*
Amount of deferred tax liability attributable to taxable temporary differences from right-of-Use assets.
Finance Lease Obligations [Member]
Related to finance lease obligations.
Lease liabilities
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liabilities.
sypr_TaxAssessmentOfTheCompany
Tax Assessment of the Company
Amount of estimated tax assessment from foreign tax agency.
Commitments and Contingencies Disclosure [Text Block]
sypr_OperatingLossCarryforwardsNotSubjectToExpiration
Operating Loss Carryforwards, Not Subject to Expiration
Represents amount of operating loss carryforwards, not subject to expiration.
sypr_NumberOfMajorCustomers
Number of Major Customers
Represents number of Major Customers.
Customer Sistemas [Member]
Represents customer Sistemas.
Unsecured Debt [Member]
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
Customer Detroit Diesel [Member]
Represents customer detroit diesel.
us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value
sypr_MultiEmployerPlansCollectiveBargainingArrangementNumberOfParticipants
Multi Employer Plans Collective Bargaining Arrangement Number of Participants
Represents number of participants in multi employer plans collective bargaining arrangement.
Less distributed and undistributed earnings allocable to restricted award holders
Employee Benefit Related Adjustments Mexico [Member]
Represents employee benefit related adjustments Mexico.
Derivative Instrument [Axis]
Derivative Contract [Domain]
Cash flows from investing activities:
Nature of Business [Policy Text Block]
Represents Nature of Business policy.
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Collective Bargaining Agreements [Policy Text Block]
Represents collective bargaining agreements policy.
Loss per common share:
Earnings Per Share [Text Block]
us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities
Accrued and other liabilities
us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component
Income tax expense
Income tax expense, net
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
sypr_ExportSales
Export Sales
Export sales.
International Operation [Member]
Represents information about the Company's international operation.
us-gaap_IncomeTaxPaidFederalAfterRefundReceived
Proceeds from Income Tax Refunds
sypr_PercentageOfCurrentAssetsIncludedInOtherCurrentAssets
Percentage of Current Assets Included in Other Current Assets
Represents percentage of current assets included in other current assets.
us-gaap_DefinedContributionPlanCostRecognized
Defined Contribution Plan, Cost
us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived
Income Tax Paid, State and Local, after Refund Received
Foreign deferred revenue and other provisions
Deferred Tax Assets, Foreign Deferred Revenue and Other Provision
Deferred tax assets foreign deferred revenue and other provision.
Finance Leases Excluding Equipment Financing Obligations [Member]
Represents finance leases excluding equipment financing obligations.
us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
us-gaap_IncomeTaxPaidForeignAfterRefundReceived
Income Tax Paid, Foreign, after Refund Received
Cash and cash equivalents
us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet
Debt Instrument, Increase (Decrease), Net
Interest expense, net
Total interest expense, net
Fair value of plan assets
Fair value of plan assets at beginning of year
Fair value of plan assets at end of year
Underfunded status of the plans
Defined Benefit Plan, Funded (Unfunded) Status of Plan
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
us-gaap_DefinedBenefitPlanBenefitObligation
Benefit obligation at beginning of year
Benefit obligation at end of year
Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years
Company contributions
us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year
Expected future benefit payment, 2027
Expected future benefit payment, 2028
Expected future benefit payment, 2029
Defined Benefit Plan, Expected Future Benefit Payment, Year Five
Amendment Flag
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive loss
City Area Code
Expected future benefit payment, 2026
Use of Estimates, Policy [Policy Text Block]
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Expected long-term rate of return on plan assets
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets
Common Stock, Shares, Outstanding, Ending Balance (in shares)
us-gaap_DebtWeightedAverageInterestRate
Debt, Weighted Average Interest Rate
us-gaap_PreferredStockSharesOutstanding
Preferred Stock, Shares Authorized (in shares)
Current Fiscal Year End Date
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
Discount rate – net periodic pension cost
Variable lease expense
us-gaap_VariableLeaseCost
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_LeaseCost
Total lease expense
Accrued Liabilities [Text Block]
Disclosure of accrued liabilities.
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other assets
us-gaap_DebtInstrumentInterestRateEffectivePercentage
Debt Instrument, Interest Rate, Effective Percentage
Discount rate – projected benefit obligation
us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Operating leases
Deferred gain from sale leaseback
The noncurrent portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period.
Deferred gain from sale-leaseback
The current portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period.
Document Fiscal Period Focus
Operating lease expense
us-gaap_OperatingLeaseCost
sypr_AccruedOperatingExpensesAccruedWarrantyExpensesAccruedInterestAndOtherItems
Accrued Operating Expenses, Accrued Warranty Expenses, Accrued Interest, and Other Items
Represents percentage of accrued operating expenses, accrued warranty expenses, accrued interest And other items.
Document Fiscal Year Focus
Consolidation, Policy [Policy Text Block]
Lease, Cost [Table Text Block]
Assets arising from finance lease liabilities
sypr_IncomeTaxReconciliationCurrentYearPaymentDifference
Current year permanent differences
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 current year payment difference.
Document Period End Date
Right-of-use asset arising from operating lease liabilities
us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1
Operating leases (Year)
dei_EntityFileNumber
Entity File Number
sypr_DeferredTaxAssetsDomesticValuationAllowance
Domestic valuation allowance
Amount of domestic deferred tax assets for which it is more likely than not that a tax benefit will not be realized.
Entity Emerging Growth Company
us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet
Net amount recognized
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
dei_DocumentType
Document Type
Entity Small Business
Actual return on plan assets
dei_EntityShellCompany
Entity Shell Company
us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid
Benefits paid
Capitalization, Equity [Table]
Document Information [Line Items]
Document Information [Table]
dei_EntityPublicFloat
Entity Public Float
Capitalization, Long-Term Debt [Table]
us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid
Benefits paid
Entity Filer Category
Debt Instrument [Axis]
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
Debt Instrument, Name [Domain]
us-gaap_DefinedBenefitPlanAdministrationExpenses
Defined Benefit Plan, Plan Assets, Administration Expense
dei_EntityVoluntaryFilers
Entity Voluntary Filers
sypr_DefinedBenefitPlanMaximumPeriodAllocatedForCalculatingAverageCompensation
Defined Benefit Plan Maximum Period Allocated for Calculating Average Compensation
Represents defined benefit plan maximum period allocated for calculating average compensation.
dei_EntityWellKnownSeasonedIssuer
Entity Well-known Seasoned Issuer
us-gaap_DefinedBenefitPlanActuarialGainLoss
Actuarial loss
Award Timing Disclosures [Line Items]
Award Timing MNPI Disclosure [Text Block]
Schedule of Long-Term Debt Instruments [Table Text Block]
sypr_DebtInstrumentMaximumAllowanceOfInterestDueOnDeferredPaymentsPercent
Debt Instrument, Maximum Allowance of Interest Due on Deferred Payments, Percent
The percentage of maximum allowance of the interest due on deferral of payments.
Promissory Notes with Maturity on April 1, 2021 and April 1, 2023 [Member]
Represents the information pertaining to the promissory notes which mature on April 1, 2021 and April 1, 2023.
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
Statement of Comprehensive Income [Abstract]
Non Traditional Securities [Member]
The type or description of the securities.
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Entity Tax Identification Number
Entity Central Index Key
Defined Contribution Plan [Member]
The type or description of the benefit plan.
Total depreciation and amortization
Insider Trading Policies and Procedures [Line Items]
dei_EntityRegistrantName
Entity Registrant Name
Insider Trading Policies and Procedures Adopted [Flag]
Insider Trading Policies and Procedures Adopted [Flag]
Non US Employees Defined Benefit Plan [Member]
The type or description of the benefit plan.
MEXICO
Entity [Domain]
Customer Concentration Risk [Member]
Legal Entity [Axis]
Entity Address, Address Line One
sypr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardLapsingRestrictionsPeriod
Share Based Compensation Arrangement By Share Based Payment Award Award Lapsing Restrictions Period
The length of the award lapsing restrictions period.
Treasury stock
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Address, City or Town
The 2015 Omnibus Plan [Member]
The name or description of the plan.
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Entity Address, Postal Zip Code
Supplemental disclosure of cash flow information:
us-gaap_TreasuryStockCommonValue
Treasury stock, 21,513 shares in 2025 and 2024
sypr_TaxAssessmentPayment
Tax Assessment, Payment
The amount being paid for the tax assessment owned from foreign tax agency.
Entity Address, State or Province
Concentration Risk Type [Axis]
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Concentration Risk Type [Domain]
Material Terms of Trading Arrangement [Text Block]
us-gaap_StockRepurchasedDuringPeriodShares
Treasury stock (in shares)
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
Trading Arrangements, by Individual [Table]
us-gaap_StockRepurchasedDuringPeriodValue
Treasury stock
Revenue Benchmark [Member]
sypr_DefinedBenefitPlanExpectedFutureBenefitPaymentsNet
Total
The net amount of expected future benefit payments for defined benefit plans.
Accounts Receivable [Member]
Long-Term Debt [Text Block]
us-gaap_IncreaseDecreaseInInventories
Inventory
us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
Net amortization of actuarial loss
The 2020 Omnibus Plan [Member]
Related to the 2020 Omnibus Plan.
Trading Symbol
us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Net periodic benefit cost
sypr_OperatingLossCarryforwardsSubjectToExpiration
Operating Loss Carryforwards, Subject to Expiration
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that is subject to expiration.
Projected benefit obligation
Concentration Risk Benchmark [Axis]
Service cost
Concentration Risk Benchmark [Domain]
us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
Expected return on plan assets
sypr_ContractWithCustomerLiabilityRevenueRecognizedFromContractLiabilities
Contract with Customer, Liability, Revenue Recognized from Contract Liabilities
Amount of revenue recognized from contract liabilities that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.
us-gaap_ProceedsFromIncomeTaxRefundFederal
Income Taxes Paid
Outstanding Borrowings [Member]
Related to outstanding borrowings.
Promissory Notes With Maturity on April 1, 2026 [Member]
Related to debt.
Accumulated benefit obligation
us-gaap_ProceedsFromIncomeTaxRefundStateAndLocal
Proceeds from Income Tax Refund, State and Local
us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
Fair value of plan assets
us-gaap_ProceedsFromIncomeTaxRefundForeign
Proceeds from Income Tax Refunds
Local Phone Number
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostCreditAmortizationOfGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleList
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Exercise of stock options (in shares)
Exercised, options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
us-gaap_TableTextBlock
Notes Tables
us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]
us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostCreditExpectedReturnLossStatementOfIncomeOrComprehensiveIncomeExtensibleList
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Restricted common stock grant (in shares)
Exercise of stock options
Restricted common stock grant
Related and Nonrelated Parties [Axis]
us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage
Related and Nonrelated Parties [Domain]
Weighted average asset allocation
Noncash compensation (in shares)
Selling, general and administrative
Noncash compensation
us-gaap_ProductWarrantyExpense
Product Warranty Expense
Granted, options (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeited, options (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Line of Credit Facility, Lender [Domain]
Lender Name [Axis]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Accumulated deficit
Accumulated other comprehensive loss
Federal Income Tax Note [Table]
Defined Benefit Plan, Equity Securities, US, Small Cap [Member]
Changes in operating assets and liabilities:
Defined Benefit Plan, Equity Securities, Non-US [Member]
Proceeds from equipment financing obligations
Amount of cash inflow from equipment financing obligations.
Deferred loan costs recognized
Defined Benefit Plan, Equity Securities [Member]
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Defined Benefit Plan, Equity Securities, US, Large Cap [Member]
us-gaap_OtherNoncashIncomeExpense
Other noncash items
Premiums Receivable, Allowance for Doubtful Accounts, Estimation Methodology, Policy [Policy Text Block]
Defined Benefit Plan, Equity Securities, US, Mid Cap [Member]
Operating lease liabilities, net of current portion
Inventory Disclosure [Text Block]
Pension asset
Other assets
Defined Benefit Plan, Plan Assets, Category [Axis]
Subsequent Event [Member]
Defined Benefit Plan, Plan Assets, Category [Domain]
Schedule of Inventory, Current [Table Text Block]
Inventory, Current [Table]
Total, operating leases
Operating Lease, Liability
Cash and Cash Equivalents [Member]
Subsequent Event [Table]
Operating lease liabilities, current portion
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Finance lease obligations, current portion
Retirement Benefits [Text Block]
Finance lease obligations, net of current portion
Long-term deposits
Subsequent Events [Text Block]
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total lease payments, operating leases
us-gaap_UnamortizedDebtIssuanceExpense
Less unamortized debt issuance and modification costs
Financing cash flows from finance leases
Principal payments on finance lease obligations
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less imputed interest, operating leases
Total, finance leases
Finance Lease, Liability
Deferred income taxes
Total deferred income tax expense
us-gaap_FinanceLeaseRightOfUseAsset
Finance lease, right-of-use, net
Fair Value Measurement, Policy [Policy Text Block]
Employee benefit related adjustments, net of tax
36 to 48 months, operating leases
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour
48 to 60 months, operating leases
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive
Thereafter, operating leases
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive
Next 12 months, operating leases
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
Foreign currency translation adjustments, net of tax
12 to 24 months, operating leases
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo
24 to 36 months, operating leases
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree
sypr_NotesPayableRelatedPartiesGross
Note payable – related party
The amount, before unamortized (discount) premium and debt issuance costs, for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle).
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Other assets
Other assets
Non-cash compensation
Lessee, Leases [Policy Text Block]
us-gaap_Revenues
Revenues
Income Tax, Policy [Policy Text Block]
us-gaap_LesseeOperatingLeaseTermOfContract
Lessee, Operating Lease, Term of Contract
us-gaap_LesseeOperatingLeaseRenewalTerm
Lessee, Operating Lease, Renewal Term
us-gaap_Depreciation
Depreciation
us-gaap_DepreciationDepletionAndAmortization
Depreciation and amortization
us-gaap_AssetsCurrent
Total current assets
Share-Based Payment Arrangement [Policy Text Block]
Equity [Text Block]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Treasury Stock, Shares, Total (in shares)
us-gaap_AssetsNet
Net Assets
Common stock
Adjustments to reconcile net loss to net cash used in operating activities:
Common Stock, Shares Authorized (in shares)
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]
Common Stock, Shares, Issued (in shares)
Promissory Notes With Maturity on April 1, 2027 [Member]
Related to debt.
Common Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_PensionContributions
Contributions to pension plans
Standard Product Warranty, Policy [Policy Text Block]
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance
Lessee, Lease, Description [Table]
Statistical Measurement [Domain]
Operating cash flows from operating leases
Maximum [Member]
Minimum [Member]
Other current assets
us-gaap_DeferredTaxAssetsNet
Total deferred tax assets
Statistical Measurement [Axis]
Operating cash flows from finance leases
Preferred stock
Contract assets
Contract with Customer, Asset, after Allowance for Credit Loss, Current
us-gaap_DeferredTaxAssetsLiabilitiesNet
Net deferred tax asset
Preferred Stock, Shares Issued (in shares)
us-gaap_InterestPaidNet
Interest Paid, Excluding Capitalized Interest, Operating Activity
us-gaap_PrepaidExpenseCurrent
Prepaid expenses
us-gaap_DeferredTaxAssetsOther
Other
us-gaap_NoncurrentAssets
Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
Property, Plant and Equipment Disclosure [Text Block]
Geographical [Axis]
Geographical [Domain]
us-gaap_DeferredTaxAssetsGross
Total
Property, Plant and Equipment [Table Text Block]
Preferred Stock, Shares Authorized (in shares)
Preferred Stock, Shares Authorized (in shares)
Inventory, net
Total
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Work in process
Net revenue
Total net revenue
us-gaap_InventoryValuationReserves
Reserve for excess and obsolete inventory
FLORIDA
us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Gain (Loss), Foreign Currency Transaction, before Tax
us-gaap_DeferredTaxAssetsDeferredIncome
Deferred revenue
Finished goods
Fair Value Hierarchy and NAV [Domain]
Customer [Axis]
Inventory valuation
Customer [Domain]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
KENTUCKY
Long-term spare parts
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
Fair Value Hierarchy and NAV [Axis]
Raw materials
Construction in Progress [Member]
Cash flows from operating activities:
Commercial
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Banco Del Bajio [Member]
Represents information pertaining to Banco Del Bajio.
Statement [Line Items]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Promissory Notes with Maturity on April 1, 2030 [Member]
Represents information pertaining to the Promissory Notes with maturity on April 1, 2030.
us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Allowance for credit losses
Compensation and benefit accruals
Accounts receivable, net
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
Number of Reportable Segments
Additional paid-in capital
Machinery at Sypris Technologies Facility [Member]
Represents the lease arrangement in connection with the machinery at Sypris Technologies facility.
Supplemental Cash Flow Information Related to Leases [Table Text Block]
Tabular disclosure of supplemental cash flow information related to leases.
Building and Building Improvements [Member]
sypr_DeferredTaxLiabilitiesDefinedBenefitPensionPlan
Defined benefit pension plan
Represents information pertaining to the deferred tax liabilities attributable to defined benefit pension plans.
Lessee, Operating and Finance Leases [Text Block]
The entire disclosure for operating and finance leases of lessee.
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Fair Value, off-Balance-Sheet Risk [Table]
AOCI Attributable to Parent [Member]
Land and Land Improvements [Member]
Defined benefit pension plan
Lessee, Operating and Finance Lease, Liability, Maturity [Table Text Block]
Tabular disclosure of undiscounted cash flows of lessee's operating and finance lease liability.
Lease Terms and Discount Rates for Leases [Table Text Block]
Tabular disclosure of information related to lease terms and discount rates for leases.
Property, Plant and Equipment, Policy [Policy Text Block]
Other Nonoperating Income (Expense)
Other (income) expense, net
Other Nonoperating Income (Expense)
Total other (income) expense, net
Property, Plant and Equipment [Table]
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Domain]
Segment Reporting Disclosure [Text Block]
us-gaap_OtherAssetsMiscellaneousNoncurrent
Other
Current assets:
Federal and state net operating loss carryforwards
Sypris Technologies [Member]
Represents entity's operating segment.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Inventory, Policy [Policy Text Block]
Effect of exchange rate changes on cash balances
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net (decrease) increase in cash and cash equivalents
us-gaap_SaleLeasebackTransactionNetBookValue
Sale Leaseback Transaction, Net Book Value
Promissory Note [Member]
The name or description of the debt instrument.
us-gaap_Liabilities
Total liabilities
Total liabilities
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by financing activities
Gill Family Capital Management [Member]
The name or description of the related party.
Net gain on sale leaseback transaction
Sale and Leaseback Transaction, Gain (Loss), Net
us-gaap_OtherAssetsMiscellaneousCurrent
Other
us-gaap_OperatingIncomeLoss
Operating (loss) income
Total operating (expense) income
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash used in operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Sypris Electronics [Member]
Represents the entity's business segment, Sypris Electronics.
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash provided by (used in) investing activities
us-gaap_PrepaidExpenseAndOtherAssetsCurrent
Other current assets
us-gaap_DeferredTaxLiabilities
Total deferred tax liabilities
us-gaap_GrossProfit
Gross profit
Total gross profit
us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
Other liabilities
Cost of sales
us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
Accrued liabilities
Northrop Grumman [Member]
Represents the major customer, North Grumman Corporation.
Consolidation Items [Domain]
us-gaap_InventoryWriteDown
Provision for excess and obsolete inventory
Equity [Abstract]
Sale Leaseback Transaction, Name [Domain]
us-gaap_ContractWithCustomerLiability
Contract with Customer, Liability
Machinery, Equipment, Furniture and Fixtures [Member]
Represents Machinery, Equipment, Furniture and Fixtures
Other Liabilities [Table Text Block]
Consolidation Items [Axis]
us-gaap_InterestPayableCurrentAndNoncurrent
Interest Payable
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Sale Leaseback Transaction, Description [Axis]
Concentration Risk, Credit Risk, Policy [Policy Text Block]
us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Indirect repurchase of shares for minimum statutory tax withholdings
us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Prepaid and other assets
Other Liabilities Disclosure [Text Block]
us-gaap_ProductWarrantyAccrual
Standard and Extended Product Warranty Accrual
Other Income and Other Expense Disclosure [Text Block]
Customer Sisamex [Member]
Represents Sisamex.
Cost of Goods and Service [Policy Text Block]
Promissory Notes with Maturity on April 1 2029 [Member]
Represents promissory notes with maturity on April 1, 2029.
Retained Earnings [Member]
Promissory Notes with Maturity on April 1 2028 [Member]
Represents promissory notes with maturity on April 1, 2028.
sypr_PolicyTable
State
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
State
Treasury Stock, Common [Member]
Liquidity [Policy Text Block]
Disclosure of accounting policy for liquidity.
Foreign
us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Foreign
Additional Paid-in Capital [Member]
Common Stock [Member]
Federal
us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Federal
Equity Components [Axis]
Equity Component [Domain]
Total
us-gaap_CurrentIncomeTaxExpenseBenefit
Total current income tax expense
Other Liabilities [Member]
us-gaap_RevenueRemainingPerformanceObligation
Revenue, Remaining Performance Obligation, Amount
Other Noncurrent Liabilities [Member]
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Foreign
Other Current Assets [Member]
Total income (loss) before taxes
(Loss) income before income taxes
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Domestic
Mexican Tax Authority [Member]
Non-cash lease expense
Amount of noncash portion of lease expense.
dei_IcfrAuditorAttestationFlag
ICFR Auditor Attestation Flag
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
us-gaap_UnsecuredDebt
Working capital line of credit
us-gaap_SubordinatedDebt
Subordinated Debt, Ending Balance
Timing of Transfer of Good or Service [Domain]
State and Local Jurisdiction [Member]
Transferred at Point in Time [Member]
Income Tax Authority, Name [Axis]
Transferred over Time [Member]
Income Tax Authority, Name [Domain]
Internal Revenue Service (IRS) [Member]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue [Table]
Domestic Tax Jurisdiction [Member]
Timing of Transfer of Good or Service [Axis]
Foreign Tax Jurisdiction [Member]
Revenue from Contract with Customer [Text Block]
Document Annual Report
Cash and Cash Equivalents, Policy [Policy Text Block]
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Domain]
Inventories [Member]
Entity Incorporation, State or Country Code
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits
Accounting Policies [Abstract]
Document Transition Report
dei_DocumentFinStmtErrorCorrectionFlag
Document Financial Statement Error Correction [Flag]
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease
Unrecognized Tax Benefits, Period Increase (Decrease)
Cash dividends per common share (in dollars per share)
Related Party [Member]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour
36 to 48 months
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive
48 to 60 months
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive
Thereafter
Security Exchange Name
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths
Next 12 months
Debt Securities [Member]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo
12 to 24 months
Title of 12(b) Security
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree
24 to 36 months
us-gaap_SaleLeasebackTransactionLeaseTerm
Sale Leaseback Transaction, Lease Term (Year)
Marion Plan [Member]
The Marion Plan.
Louisville Hourly Plan [Member]
The Louisville Hourly Plan.
Louisville Salaried Plan [Member]
The Louisville Salaried Plan.
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts and Financing Receivables [Table]
Total capital expenditures
dei_AuditorName
Auditor Name
dei_AuditorFirmId
Auditor Firm ID
Collective-Bargaining Arrangement [Axis]
Collective-Bargaining Arrangement [Domain]
dei_AuditorLocation
Auditor Location
Common Stock Outstanding [Member]
Related to common stock outstanding.
Segments [Axis]
Segments [Domain]
Weighted average additional shares assuming conversion of potential common shares (in shares)
us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization
Finance lease, right-of-use, accumulated depreciation
Diluted (in shares)
Weighted average shares outstanding – diluted (in shares)
Proceeds from Note payable – related party
sypr_LongtermDebtUndiscountedExcessAmount
Less imputed interest
Amount of undiscounted obligation for long term debt.
us-gaap_PurchaseObligation
Purchase Obligation
Finance lease, right-of-use asset, gross
sypr_LongtermDebtLiabilityToBePaid
Total payments
Amount of undiscounted obligation for long-term debt.
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Promissory Notes With Maturity On April 1, 2024 And April 1, 2026 [Member]
Promissory notes with maturity on April 1, 2024 and April 1, 2026.
Statement [Table]
Diluted (in dollars per share)
Statement of Financial Position [Abstract]
Basic (in shares)
Other adjustments, percent
us-gaap_PurchaseObligationDueInNextTwelveMonths
Purchase Obligation, to be Paid, Year One
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Income tax expense (benefit), net, percent
Basic (in dollars per share)
Return-to-provision adjustments, percent
Changes in valuation allowance, percent
Statement of Cash Flows [Abstract]
Statement of Stockholders' Equity [Abstract]
Lease Contractual Term [Domain]
Lease Contractual Term [Axis]
Income Statement [Abstract]
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Other comprehensive income (loss)
Schedule of Accrued Liabilities [Table Text Block]
Equipment financing obligations, current portion
Represents the current portion of equipment financing obligations as of the balance sheet date.
Equipment financing obligations
Equipment financing obligations, net of current portion
Represents the noncurrent portion of equipment financing obligations as of the balance sheet date.
Interest expense
us-gaap_FinanceLeaseInterestExpense
us-gaap_FinanceLeaseLiabilityPaymentsDue
Total lease payments, finance leases
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Amortization expense
us-gaap_FinanceLeaseRightOfUseAssetAmortization
sypr_PrincipalPaymentsOnEquipmentFinancingObligations
Principal payments on equipment financing obligations
Represents the amount of principal payments made on equipment financing obligations during the period.
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount
Less imputed interest, finance leases
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Accounting Standards Update and Change in Accounting Principle [Table]
36 to 48 months, finance leases
us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFour
48 to 60 months, finance leases
us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearFive
Thereafter, finance leases
us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive
Offsetting Liabilities [Table]
Next 12 months, finance leases
us-gaap_FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths
12 to 24 months, finance leases
us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearTwo
24 to 36 months, finance leases
us-gaap_FinanceLeaseLiabilityPaymentsDueInRollingYearThree
us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent
Finance leases
Equipment Financing Obligations [Member]
Represents information regarding borrowings under equipment financing facilities.
us-gaap_MultiemployerPlanPensionSignificantEmployeesCoveredByCollectiveBargainingArrangementToAllParticipantsPercentage
Multiemployer Plan, Pension, Significant, Employees Covered by Collective-Bargaining Arrangement to All Participants, Percentage
State income taxes, net of federal income tax effect, percent
us-gaap_MultiemployerPlanPensionSignificantEmployeesCoveredByCollectiveBargainingArrangementToAllEntitysEmployeesPercentage
Multiemployer Plan, Pension, Significant, Employees Covered by Collective-Bargaining Arrangement to All Entity's Employees, Percentage
Other Commitments [Table]
Foreign tax effects, percent
us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1
Finance leases (Year)
Other adjustments
Cash flows from financing activities:
us-gaap_OtherLiabilitiesNoncurrent
Other liabilities
Other liabilities
Federal tax expense at the statutory rate, percent
Return-to-provision adjustments
Changes in valuation allowance
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax
us-gaap_IncomeTaxReconciliationTaxSettlements
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount
Series A Preferred Stock [Member]
Accrual for Environmental Loss Contingencies
Noncurrent pension liability
Offsetting Assets [Table]
us-gaap_StockholdersEquity
Total stockholders’ equity
Balance
Balance
Contract liabilities – long-term
Contract with Customer, Liability, Noncurrent
Nonvoting Common Stock [Member]
us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Property, plant and equipment, net
Property plant and equipment, net
us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
Accumulated depreciation
Capitalized research and experimental costs
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from capitalized research and experimental costs.
Class of Stock [Axis]
Class of Stock [Domain]
sypr_LongtermDebtAndCapitalLeaseObligationsNoncurrentNetOfUnamortizedDebtCosts
Long term debt and finance lease obligations, net of unamortized debt costs
Represents the amount of long-term debt and capital lease obligations as of the balance sheet date, excluding current maturities, net of unamortized debt costs (such as unamortized debt issuance and modification costs).
us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
Gross property, plant and equipment
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Stockholders Equity [Table Text Block]
Accrued Liabilities [Member]
Primary financial statement caption encompassing accrued liabilities.
Interest limitation carryover
Note payable – related party
Operating Segments [Member]
State income taxes, net of federal income tax effect
Foreign tax effects