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[Abstract] Leases [Abstract] Earnings per share: Earnings Per Share, Basic [Abstract] Accounting Standards Updates and Disclosure Rules Issued but Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Purchases of short-term investments Payments to Acquire Short-Term Investments Accounts payable Increase (Decrease) in Accounts Payable Contract assets Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Increase to warranty expense Standard and Extended Product Warranty Accrual, Period Increase (Decrease) Interest income, net Interest Income (Expense), Nonoperating Shares withheld in lieu of employee tax withholding Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Revenue Revenue from Contract with Customer [Text Block] Contract assets and liabilities, net Increase (Decrease) In Contract With Customer Asset And Liability, Net Increase (Decrease) In Contract With Customer Asset And Liability, Net Bank of America Bank of America [Member] Bank of America Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Grantee Status Grantee Status [Domain] Total Stockholders' Equity Balance Balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Compensation expense Share-Based Payment Arrangement, Expense Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Surety Bonds Surety Bond [Member] Current Assets: Assets, Current [Abstract] Total Liabilities and Stockholders' Equity Liabilities and Equity RSU Activity (number of shares) [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Other expenses (income): Other Nonoperating Income (Expense) [Abstract] Cover [Abstract] Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Accounting Policies [Abstract] Accounting Policies [Abstract] Schedule of Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Restricted Stock Restricted Stock [Member] Concentration Risk Type Concentration Risk Type [Domain] All others Other, Customers [Member] Other, Customers [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Rabbi trust assets Irrevocable Rabbi Trust [Member] Irrevocable Rabbi Trust Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Restricted Stock Units Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Treasury Stock Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total lease liabilities Present value of lease liabilities Operating Lease, Liability Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Line of Credit Facility, Lender Line of Credit Facility, Lender [Domain] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Shares issued annually, grant date value Share-Based Compensation Arrangement By Share Based Payment Award Annual Shares Issuable, Grant Date Value Share-Based Compensation Arrangement By Share Based Payment Award Annual Shares Issuable, Grant Date Value Income before income taxes Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other Liabilities, Noncurrent Proceeds from sale of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Short-term investments Short-term Investments, Fair Value Disclosure Short-term Investments, Fair Value Disclosure Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Current operating lease liabilities Current operating lease liabilities Operating Lease, Liability, Current Deferred income tax liabilities Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Goodwill and intangible assets, net Intangible Assets, Net (Including Goodwill) Deduction for warranty charges Standard and Extended Product Warranty Accrual, Decrease for Payments Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Award Type Award Type [Axis] Revolving credit facility borrowings, outstanding amount Long-Term Debt Legal Entity Legal Entity [Axis] Total Assets Assets Investing Activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Geographical Geographical [Domain] Stock-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Overview and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Concentration Risk Type Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Business combination, consideration transferred Business Combination, Consideration Transferred Assets: Assets, Fair Value Disclosure [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Purchase of intangible assets Payments to Acquire Intangible Assets Dividends per share (in dollars per share) Quarterly cash dividend (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Performance-Based Restricted Stock Unit Performance Based Restricted Stock Unit [Member] Performance based restricted stock unit. 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Unvested restricted stock outstanding (in shares) Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Contract Asset and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Contracts with probable exposure to liquidated damages Loss Contingency Probable Loss In Period Loss contingency probable loss in period. 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Warranty Accrual, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Europe Europe [Member] Subsequent Event Type Subsequent Event Type [Axis] Credit Agreement Credit Agreement [Member] Credit Agreement Stock-Based Compensation Share-Based Payment Arrangement [Text Block] ASSETS Assets [Abstract] Texas Capital Bank Texas Capital Bank [Member] Texas Capital Bank Credit Facility Credit Facility [Axis] Maturities of short-term investments Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument Debt Instrument [Axis] Forfeited/canceled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility Credit Facility [Domain] Stockholders' Equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Research and development expenses Research and Development Expense Accumulated Other Comprehensive Income/(Loss) AOCI Attributable to Parent [Member] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Long-term operating lease liabilities Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Retention amounts included in accounts receivable Contract with Customer, Receivable, after Allowance for Credit Loss Work-in-progress Inventory, Work in Process, Gross Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Deferred compensation Deferred Compensation Liability, Classified, Noncurrent Deferred compensation Deferred Compensation Liability, Current and Noncurrent Dilutive effect of restricted stock and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited/canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Document Quarterly Report Document Quarterly Report Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Finance lease, assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Machinery and equipment Machinery and Equipment [Member] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Change in contract estimates, reduction to revenue Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress Restatement Determination Date: Restatement Determination Date [Axis] Payments to acquire businesses, gross Payments to Acquire Businesses, Gross Stock-based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Land Land [Member] Name Trading Arrangement, Individual Name Equity Award Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Powell (UK) Limited Powell U K Limited [Member] Powell (UK) limited. Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized related to contract liabilities Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Liabilities: Lease, Liabilities [Abstract] Lease, Liabilities [Abstract] Outstanding at beginning of period (in dollars per share) Outstanding at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Commercial and other industrial Commercial and Other Industrial [Member] Commercial and Other Industrial Treasury stock, 806,018 shares at cost Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments Financial Instruments [Domain] Changes in contract estimates related to projects in progress Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress Amount available under the credit facility Amount of credit facility remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy Fair Value Hierarchy and NAV [Domain] Inventories Increase (Decrease) in Inventories Inventories Total inventories Inventory, Net Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name Preferred stock, par value $0.01; 5,000,000 shares authorized; none issued Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Short-term investments Short-Term Investments Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted average diluted shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and Contingencies (Note F) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] BusinessAcquisition Axis] Business Combination [Axis] Raw materials, parts and sub-assemblies Inventory, Raw Materials and Supplies, Net of Reserves Entity Small Business Entity Small Business Remsdaq Ltd Member Remsdaq Ltd Member [Member] Remsdaq Ltd Member Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Long-Term Debt Long-Term Debt [Text Block] Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] Detail of Selected Balance Sheet Accounts Supplemental Balance Sheet Disclosures [Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Short-term lease cost Short-Term Lease, Cost Scenario [Axis] Scenario [Axis] Document Type Document Type Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Product and Service Product and Service [Axis] Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Variable lease cost Variable Lease, Cost Revenues Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Assets: Lease, Assets [Abstract] [Abstract] Lease, Assets [Abstract] [Abstract] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Transferred at Point in Time Transferred at Point in Time [Member] Name Forgone Recovery, Individual Name Unrealized mark-to-market gain on derivative contracts Unrealized Gain (Loss) on Derivatives Total Current Assets Assets, Current Assets and Liabilities, Lessee [Abstract] Assets and Liabilities, Lessee [Abstract] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Shares withheld in lieu of employee tax withholding Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Financial Standby Letter of Credit Financial Standby Letter of Credit [Member] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Current Liabilities: Liabilities, Current [Abstract] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Geographical Geographical [Axis] Guarantor Obligations, Nature Guarantor Obligations, Nature [Domain] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Light rail traction power Light Rail Traction Power Customer [Member] Light Rail Traction Power Customer Accrued liabilities Increase (Decrease) in Accrued Liabilities Asia/Pacific Asia Pacific [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, less allowance for credit losses of $269 and $414, respectively Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Treasury stock, shares (in shares) Balance Treasury Stock (in shares) Balance Treasury Stock (in shares) Treasury Stock, Common, Shares Earnings per share: Earnings Per Share [Abstract] Gross profit Gross Profit Less: present value discount (imputed interest) Lessee, Operating Lease, Liability, Undiscounted Excess Amount U.S. Revolver Amended And Restated Credit Agreement [Member] Amended And Restated Credit Agreement [Member] Award Timing Disclosures [Line Items] Schedule of Components of Inventories Schedule of Inventory, Current [Table Text Block] Accrued compensation and benefits Employee-related Liabilities, Current Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Mexico, Central and South America Mexico, Central America And South America [Member] Mexico, Central America And South America [Member] Net income Net income Net income Net income Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Expiration Date Trading Arrangement Expiration Date Construction in process Construction in Progress [Member] Other current liabilities Other Accrued Liabilities, Current Schedule of Calculation of the Effective Income Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Timing of Transfer of Good or Service Timing of Transfer of Good or Service [Axis] Property, plant and equipment, net Total property, plant and equipment, net Property, Plant and Equipment, Net Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Numerator: Net Income (Loss) Attributable to Parent [Abstract] Adoption Date Trading Arrangement Adoption Date Shares issued, price per share (in dollars per share) Shares Issued, Price Per Share Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Segment Reporting, Revenue from External Customer, Product and Service [Table] Segment Reporting, Revenue from External Customer, Product and Service [Table] Financing Activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Operating income Operating Income (Loss) Retained earnings Retained Earnings (Accumulated Deficit) Financial Instrument Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Transferred Over Time Transferred over Time [Member] Class of Stock Class of Stock [Axis] Cash collateral required for guarantees, period (greater than) Cash Collateral Required for Guarantees, Period Cash Collateral Required for Guarantees, Period Provision for excess and obsolete inventories Inventory Valuation Reserves Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Weighted Average Grant Value Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Table] Statement [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Timing of Transfer of Good or Service Timing of Transfer of Good or Service [Domain] Weighted average shares: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Electric utility Electricity [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Net contract liability Contract With Customer, Asset (Liability), Net, Current Contract with Customer, Asset (Liability), Net, Current Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Weighted average discount rate, percent Operating Lease, Weighted Average Discount Rate, Percent Retained amount expected to be collected in the next twelve months Contract with Customer, Receivable, after Allowance for Credit Loss, Current Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted average basic shares (in shares) Weighted Average Number of Shares Outstanding, Basic Cost of goods sold Cost of Product and Service Sold Schedule of Reconciliation of Basic and Diluted Weighted Average Shares used in Computation of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Subsequent Events [Abstract] Subsequent Events [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Share-Based Payment Arrangement, Nonemployee Share-Based Payment Arrangement, Nonemployee [Member] Grantee Status Grantee Status [Axis] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Use of Estimates Use of Estimates, Policy [Policy Text Block] Guarantor Obligations, Nature Guarantor Obligations, Nature [Axis] Trading Arrangement: Trading Arrangement [Axis] Income taxes Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Subsequent Events Subsequent Events [Text Block] Foreign currency translation adjustments Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Total Liabilities Liabilities Product Concentration Risk Product Concentration Risk [Member] Revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Common stock, par value $0.01; 30,000,000 shares authorized; Shares issued: 12,874,566 and 12,795,256, respectively Shares outstanding: 12,068,548 and 11,989,238, respectively Common Stock, Value, Outstanding Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Prepaid expenses Prepaid Expense, Current Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-Employee Director Equity Incentive Plan Non Employee Director Equity Incentive Plan [Member] 2014 Non-Employee Director Equity Incentive Plan Member Statement [Line Items] Statement [Line Items] Standard assurance warranty, period Standard Assurance Warranty, Period Standard Assurance Warranty, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]