Legal Entity [Axis] EBP 001 [Member] Investment Type [Axis] Registered Investment Companies [Member] Collective Investment Fund [Member] Omega Flex Inc Stock [Member] Statistical Measurement [Axis] Maximum [Member] Minimum [Member] EBP Contribution Participating Employer Axis Fifty Plus Age [Member] Vesting [Axis] Less than 1 year [Member] 1 Year [Member] 2 Years [Member] 3 Years [Member] 4 Years [Member] 5 Years [Member] 6 or more years [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Investments Measured at NAV [Member] Investment, Identifier [Axis] EBP, Allocation Status [Axis] EBP, Unallocated [Member] Cover [Abstract] Amendment Flag Document Fiscal Period Focus Entity Central Index Key Document Type Document Period End Date Document Fiscal Year Focus Entity Registrant Name EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] Assets: Investments, at fair value: Total investments, at fair value Receivables: Accrued income Company matching contributions Company profit sharing contributions Notes receivable from participants Total receivables Total assets Liabilities: Excess contributions payable Total liabilities Net assets available for benefits EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Additions: Investment income: Net appreciation in fair value of investments Interest and dividend income Total investment income Interest income on notes receivable from participants Contributions: Company contributions, net of forfeitures Participant contributions Total contributions Total additions Deductions: Benefits paid directly to participants Administrative expenses Total deductions Net increase in net assets available for benefits Net assets available for benefits Beginning of year End of year EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] Plan Description EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] Summary of Significant Accounting Policies EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] Investments and Fair Value Measurements EBP, Master Trust [Table] EBP, Master Trust [Line Items] Omega Flex, Inc. Stock Fund EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] Related Party Transactions Plan Termination EBP, Tax Status [Table] EBP, Tax Status [Line Items] Tax Status of the Plan EBP, Contribution [Table] EBP, Contribution [Line Items] Excess Contributions Payable EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Reconciliation of Financial Statements to Form 5500 EBP, Subsequent Event [Table] EBP, Subsequent Event [Line Items] Subsequent Events EBPStatementTable [Table] Statement [Line Items] Schedule H, Line 4(i) – Schedule of Assets (Held at End of Year) Basis of Presentation Use of Estimates Investment Valuation and Income Recognition Notes Receivable from Participants Risks and Uncertainties Contributions Payment of Benefits Forfeitures Schedule of Vesting Percentage on Participant Contributions Schedule of Plan Assets at Fair Value Schedule of Fair Value Estimated Using NAV Per Share Schedule of Financial Statements to Form 5500 Schedule of Reconciliation of Net Increase in Net Assets Statement [Table] Schedule of Asset Held for Investment EBP Contribution Participating Employer Axis [Axis] Employee benefit plan automatic deferral rate Employee benefit plan participant contribution automatic increased rate Employee benefit plan participant contribution made Employer contribution, participant compensation percentage Employer contribution, elective deferrals, matching percentage Employer contribution, participant compensation matched, elective deferrals, percentage Profit sharing contributions, participant's compensation Profit sharing contributions, participant's compensation wage base additional amount of three percentage Profit sharing contributions, participant's compensation wage base additional amount of six percentage profit sharing contributions Employee benefit plan description of participants beneficiary Maximum borrowing capacity Interest rate percentage Vesting percentage Forfeitures of termination participants Decrease in participants contribution Pay plan expenses Investments before NAV Investments at fair value Collective investment fund, fair value Collective investment fund, unfunded commitment Collective investment fund, redemption frequency Collective investment fund, redemption notice period EBP, held for investment Changes in net assets available for benefits credited to participants Changes in net assets available for benefits to utility payments Changes in net assets available for benefits to pay plan expenses Net assets available for benefits per the financial statements Total employer contributions receivable Total excess contributions payable Net assets available for benefits per Form 5500 Net increase in net assets available for benefits per the financial statements Change in total employer contributions receivable Change in total excess contributions payable Net income per Form 5500 EBP, Plan Name Entity Tax Identification Number EBP, Plan Number EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Asset Held for Investment Registered Investment Companies [Member] Collective Investment Fund [Member] Omega Flex Inc Stock [Member] Employee benefit plan participant contribution automatic increased rate. EBP employer contribution participant compensation percentage Fifty Plus Age [Member] EBP employer contribution elective deferrals matching percentage. EBP employer contribution participant compensation matched elective deferrals percentage. Employee benefit plan participant contribution retax maximum annual wage base additional compensation amount of three percentage. Employee benefit plan participant contribution pretax maximum annual wage base additional compensation amount of six percentage. Less than 1 year [Member] 1 Year [Member] 2 Years [Member] 3 Years [Member] 4 Years [Member] 5 Years [Member] 6 or more years [Member] EBP pay plan expenses. Terminating participants forfeiture amount. Employee benefit plan investment excluding plan interest in master trust redemption frequency. Employee benefit plan investment excluding plan interest in master trust redemption notice period. Employee Benefit Plan Investment Additional Fair Value and Nav [Table Text Block] Employee benefit plan change in net asset available for benefit utility payment. Employee benefit plan change in net asset available for benefit credited to participants. Employee Benefit Plan Change In Net Asset Available For Benefit To Pay Plan Expense. Employee Benefit Plan Form 5500 Caption Excessr Contribution Payable. Employee Benefit Plan Net Increase In Net Assets To Form 5500 [Text Block] Total excess contributions payable. EBP Contribution Participating Employer Axis EBP 001 [Member] DFA [Member] Emerging Market Core Equity [Member] Goldman Sachs [Member] International Equity Insights [Member] Large Cap Growth Insights [Member] Invesco [Member] Value Opportunities [Member] JP Morgan [Member] Equity Income [Member] Core Plus Bond [Member] SmartRetirement 2025 [Member] SmartRetirement 2030 [Member] SmartRetirement 2035 [Member] SmartRetirement 2040 [Member] SmartRetirement 2045 [Member] SmartRetirement 2050 [Member] SmartRetirement 2055 [Member] SmartRetirement 2060 [Member] SmartRetirement 2065 [Member] SmartRetirement Income [Member] MFS [Member] Mid Cap Growth [Member] Putnam [Member] High Yield [Member] Small Cap Growth [Member] Schwab [Member] S&P 500 Index [Member] Small Cap Index [Member] US Mid Cap Index [Member] Undiscovered Managers [Member] Behavioral Value [Member] Fidelity [Member] Money Market Treasury Portfolio [Member] Stable Asset Income [Member] Omega Flex, Inc. [Member] Company stock [Member] Employee Benefit Plan Schedule of Assets [Text Block] EBP Contribution and Earnings or Losses on Vesting Percentage. Employee Benefit Plan Forfeitures [Policy Text Block] EBP Percentage of Loan Interest Rate. Employee benefit plan description of participants beneficiary. Investments Measured at NAV [Member] Employee benefit plan investment fair value before net asset value. International Index [Member] Amount of employer contribution receivable as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). EBP, Receivable EBP, Asset EBP, Liability EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Change in Net Asset Available for Benefit, Increase from Contribution EBP, Change in Net Asset Available for Benefit, Increase EBP, Change in Net Asset Available for Benefit, Decrease EmployeeBenefitPlanForm5500CaptionReceivableEmployerContributions TotalExcessContributionsPayable EBP, Form 5500 Caption, Net Assets EmployeeBenefitPlanForm5500CaptionExcessrContributionPayable EBP, Form 5500 Caption, Net Income (Loss) JP Morgan [Member] DFA [Member] Emerging Market Core Equity [Member] Goldman Sachs [Member] International Equity Insights [Member] Large Cap Growth Insights [Member] Invesco [Member] Value Opportunities [Member] Equity Income [Member] Core Plus Bond [Member] Smart Retirement 2025 [Member] Smart Retirement 2030 [Member] Smart Retirement 2035 [Member] Smart Retirement 2040 [Member] Smart Retirement 2045 [Member] Smart Retirement 2050 [Member] Smart Retirement 2055 [Member] Smart Retirement 2060 [Member] Smart Retirement 2065 [Member] Smart Retirement Income [Member] Mid Cap Growth [Member] MFS [Member] Putnam [Member] High Yield [Member] Small Cap Growth [Member] Schwab [Member] SAndP 500 Index [Member] Small Cap Index [Member] US Mid Cap Index [Member] Undiscovered Managers [Member] Behavioral Value [Member] Fidelity [Member] Money Market Treasury Portfolio [Member] Stable Asset Income [Member] Omega Flex, Inc. [Member] Company Stock [Member] International Index [Member]