Schedule of Goodwill and Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Other Accrued Liabilities [Abstract] Schedule of Other Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Goodwill and Intangible Assets [Abstract] Schedule of Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Basis of Presentation [Abstract] Prepaid insurance Prepaid Insurance Prepaid common area rental expenses Prepaid Rent Schedule of Components of Operating Lease Costs Lease, Cost [Table Text Block] Leases [Abstract] Schedule of Future Minimum Rent Payments for Our Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Schedule of Reportable Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Segment Reporting [Abstract] Drive Thru Limited Partnership [Member] Drive Thru Limited Partnership Member Basis of Presentation (Details) [Table] Organization and Summary of Significant Accounting Policies (Details) [Table] Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Total Prepaid expenses and other Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current [Abstract] Ownership [Axis] Ownership [Domain] Prepaid Expenses and Other Current Assets [Abstract] Prepaid expenses and other current assets Other Current Assets [Text Block] Prepaid software licenses and maintenance contracts Amount of prepaid software licenses and maintenance contracts. Other Other Prepaid Expense, Current Ownership interest Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Advertising funds from franchisees Marketing and Advertising Expense Basis of Presentation [Line items] Organization and Summary of Significant Accounting Policies [Line Items] Recent Accounting Pronouncements [Abstract] Schedule of Prepaid Expenses and Other Current Assets Schedule of Other Current Assets [Table Text Block] Prepaid licenses and permits Represent the amount of prepaid licenses and permits. Revenue [Abstract] Revenue Revenue from Contract with Customer [Text Block] Franchise and other revenues Regulated Operating Revenue, Other Goodwill, Gross Carrying Amount Indefinitelived Intangible Assets Excluding Goodwill Gross Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a indefinite life. Schedule of Goodwill And Intangible Assets [Abstract] Goodwill, Net Carrying Amount Goodwill Goodwill Impairments Goodwill, Impairment Loss Impairment of Long-Lived Assets and Goodwill [Line Items] Impaired Long-Lived Assets Held and Used [Line Items] Impairment of long-lived assets and ROU assets Impairment of long-lived assets and ROU assets Impairment of long-lived assets Impairment, Long-Lived Asset, Held-for-Use Reporting Unit [Axis] Interest expense Interest Expense, Debt Total minimum lease payments Lessee, Operating Lease, Liability, to be Paid Sublease income Sublease Income Shareholders’ Equity [Abstract] Percentage of interest owns Subsidiary, Ownership Percentage, Noncontrolling Owner Goodwill, Gross Carrying Amount Goodwill, Gross Non-cash operating lease assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Number of reportable segments not disclosed flag Number of Reportable Segments Not Disclosed Flag It represents about information not disclosed about segment. Shareholders' Equity (Details) [Table] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Debt Instrument [Axis] Notes Payable and Long-Term Debt [Abstract] Credit Facility [Domain] Credit Facility [Axis] Parker Promissory Note [Member] Parker Promissory Note Member Notes Payable and Long-Term Debt (Details) [Table] Good Times Restaurants [Member] Good Times Restaurants Member Income Taxes [Abstract] Effective income tax rate Effective Income Tax Rate Reconciliation, Tax Credit, Percent Present value of lease liabilities Operating Lease, Liability Schedule of Future Minimum Rent Payments for Our Operating Leases [Abstract] Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount One Year Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Statistical Measurement [Axis] Statistical Measurement [Domain] Stock-based compensation expense (in Dollars) Share-Based Payment Arrangement, Expense Shares available for issuance Common Stock, Capital Shares Reserved for Future Issuance Restaurant occupancy costs Restaurant Occupancy Costs Represent the amount of restaurant occupancy costs. Franchise and other revenues Franchise and other revenues [Member] Franchise And Other Revenues Member Treasury stock at cost, shares (in Shares) Balances (In Shares) Balances (In Shares) Treasury Stock, Common, Shares Statement of Financial Position [Abstract] Preferred stock, outstanding (in Shares) Preferred Stock, Shares Outstanding Preferred stock, issued (in Shares) Preferred Stock, Shares Issued Preferred stock, shares authorized (in Shares) Preferred Stock, Shares Authorized Preferred stock, par value (in Dollars per share) Preferred Stock, Par or Stated Value Per Share Common stock, shares outstanding (in Shares) Common Stock, Shares, Outstanding Common stock, shares issued (in Shares) Common Stock, Shares, Issued Common stock, shares authorized (in Shares) Common Stock, Shares Authorized Common stock, par value (in Dollars per share) Common Stock, Par or Stated Value Per Share Total Good Times Restaurants Inc. shareholders' equity Equity, Attributable to Parent Accumulated deficit Retained Earnings (Accumulated Deficit) Receivables Total receivables Receivables, Net, Current Total net property and equipment Property and equipment, net Property, Plant and Equipment, Net Total property and equipment Property, Plant and Equipment, Gross Provision for income taxes Provision for income taxes Income Tax Expense (Benefit) Interest and other expense, net Interest and other expense, net Interest Expense, Nonoperating Payroll and other employee benefit costs Labor and Related Expense NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS Net income (loss) attributable to Good Times Restaurants Inc and comprehensive income Income attributable to non-controlling interests Income (Loss) Net Income (Loss) Attributable to Noncontrolling Interest Total other (expense) income Nonoperating Income (Expense) CURRENT ASSETS Assets, Current [Abstract] Buildings Buildings and Improvements, Gross Less: Less Abstract Less: Less Abstract0 Other restaurant operating costs [Member] Other Restaurant Operating Costs Member Other segment disclosures Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Abstract] Total assets TOTAL ASSETS Assets Capital expenditures Capital Expenditures Incurred but Not yet Paid INCOME FROM OPERATIONS Income from operations Operating Income (Loss) Other restaurant operating costs Other Cost and Expense, Operating Restricted stock unit vesting (In Shares) Stock Issued During Period, Shares, Other Balances Balances Total shareholders’ equity Equity, Including Portion Attributable to Noncontrolling Interest Common stock, $.001 par value; 50,000,000 shares authorized; 12,985,821 issued; 10,557,896 and 10,549,508 shares outstanding as of June 30, 2026 and September 30, 2025, respectively Common Stock, Value, Issued Other income Other Nonoperating Income Preopening costs Preopening costs Pre-Opening Costs Deferred and other liabilities Contract with Customer, Liability, Noncurrent Deferred tax assets, net Deferred Income Tax Assets, Net Deposits and other assets Deposits Assets, Noncurrent Document Period End Date Document Quarterly Report Document Transition Report Document Type Entity Address, Address Line One Entity Address, City or Town Entity Address, Postal Zip Code Other [Member] Corporate Segment [Member] Restaurant depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Gain (Loss) on restaurant asset disposals Loss on disposal of assets Gain (Loss) on Disposition of Assets, Total General and administrative General and administrative costs General and Administrative Expense Statement [Table] Statement of Stockholders' Equity [Abstract] Statement [Line Items] Equity Components [Axis] Balances (In Shares) Balances (In Shares) Shares, Outstanding Accumulated Deficit Retained Earnings [Member] Treasury stock, at cost; 2,427,925 shares as of June 30, 2026 and September 30, 2025 Treasury Stock, Value Advertising costs Advertising Expense Title of 12(b) Security Inventories Inventory, Net Land and land improvements Land and Land Improvements Leasehold improvements Leasehold Improvements, Gross TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity Total current liabilities Liabilities, Current CURRENT LIABILITIES: Liabilities, Current [Abstract] Entity Address, State or Province Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Emerging Growth Company Entity File Number Entity Filer Category Entity Incorporation, State or Country Code Entity Interactive Data Current Entity Registrant Name Entity Shell Company Entity Small Business Entity Tax Identification Number Local Phone Number Total long-term liabilities Liabilities, Noncurrent LONG-TERM LIABILITIES Liabilities, Noncurrent [Abstract] Current maturities of long-term debt Long-Term Debt, Current Maturities Maturities of long-term debt, net of current portion Long-Term Debt, Excluding Current Maturities Non-controlling interests Equity, Attributable to Noncontrolling Interest Operating lease liabilities, current Operating Lease, Liability, Current Other income Other Income Restaurant sales Total net revenues Revenue from Contract with Customer, Including Assessed Tax Total consolidated net revenues Revenues Schedule of Segment Reporting Information, by Segment [Table] Segments [Domain] Schedule of Reportable Segments [Line Items] Segments [Axis] Amendment Flag City Area Code Cover [Abstract] Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Description of CODM Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Add: Add Abstract Add: Add Abstract0 Bad Daddy’s [Member] Bad Daddys Member Other accrued liabilities Total Other Accrued Liabilities, Current Total other assets Other Assets OTHER ASSETS Other Assets [Abstract] Preferred stock, $.01 par value; 5,000,000 shares authorized, no shares issued and outstanding as of June 30, 2026 and September 30, 2025 Preferred Stock, Value, Issued PROPERTY AND EQUIPMENT Property, Plant and Equipment [Abstract] Cash and cash equivalents CASH AND CASH EQUIVALENTS, end of period CASH AND CASH EQUIVALENTS, beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Operating lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Operating lease right-of-use assets, net Right-of-use assets, net Operating Lease, Right-of-Use Asset Product and Service [Domain] NET INCOME PER SHARE, ATTRIBUTABLE TO COMMON SHAREHOLDERS: Earnings per Common Share [Abstract] Basic (in Dollars per share) Earnings Per Share, Basic Diluted (in Dollars per share) Earnings Per Share, Diluted Repurchases of common stock (in Shares) Stock Repurchased During Period, Shares Repurchases of common stock Stock Repurchased During Period, Value Non-controlling interests: Temporary Equity, Including Noncontrolling Interest [Abstract] Treasury Stock, at cost Treasury Stock, Common [Member] Segment Reporting Segment Reporting Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Notes Payable and Long-Term Debt Debt Disclosure [Text Block] Other Accrued Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Shareholders' Equity Equity [Text Block] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Rule 10b5-1 Arrangement Modified Rule10b51 Arrangement Modified Flag Rule 10b5-1 Arrangement Modified. Non-Rule 10b5-1 Arrangement Modified Non Rule10b51 Arrangement Modified Flag Non-Rule 10b5-1 Arrangement Modified. Income Taxes Income Tax Disclosure [Text Block] Leases Lessee, Operating Leases [Text Block] Contingent Liabilities and Liquidity Commitments and Contingencies Disclosure [Text Block] Contingent Liabilities and Liquidity [Abstract] Reporting Unit [Domain] Goodwill [Table] Trademarks [Member] Trademarks [Member] Franchise and other [Member] Franchise And Other Member Schedule Of Receivables Abstract Weighted-average shares outstanding diluted Diluted Weighted Average Number of Shares Outstanding, Diluted Excluded from diluted weighted average shares outstanding: WEIGHTED AVERAGE COMMON SHARES OUTSTANDING: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Long-Lived Assets and Trademarks [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Accounts and Financing Receivables [Table] Impairments to intangible assets Goodwill and Intangible Asset Impairment Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) [Table] Goodwill, Accumulated Amortization Indefinitelived Intangible Assets Accumulated Amortization Excluding Goodwill Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a indefinite life. Stock options [Member] Equity Option [Member] Effect of potentially dilutive securities Weighted Average Number of Shares Outstanding, Diluted, Adjustment Third party retailers [Member] Third Party Retailers Member Vendor rebates and incentives [Member] Vendor Rebates And Incentives Member Schedule of Receivables [Line Items] Receivable Type [Axis] Receivable [Domain] Earnings per Common Share Earnings Per Share [Text Block] Schedule of Basic Weighted-Average Shares Outstanding to Diluted Weighted-Average Shares Outstanding Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Antidilutive Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Effect of potentially dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Schedule of Basic Weighted-Average Shares Outstanding to Diluted Weighted-Average Shares Outstanding [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Restricted stock units [Member] Restricted Stock Units (RSUs) [Member] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Weighted-average shares outstanding basic Basic Weighted Average Number of Shares Outstanding, Basic Long-Lived Assets and Trademarks Impairment of Long-Lived Assets and Goodwill [Text Block] Entire disclosure of impairment of long-lived assets and goodwill. Good Times [Member] Good Times Member Third party delivery partners [Member] Third Party Delivery Partners Member Debt Instrument, Name [Domain] Annual principal amount Debt Instrument, Periodic Payment, Principal Annual principal maturity Debt Instrument, Term Unamortized balance Debt Instrument, Unamortized Discount Three Years Lessee, Operating Lease, Liability, to be Paid, Year Two Four Years Lessee, Operating Lease, Liability, to be Paid, Year Three Five Years Lessee, Operating Lease, Liability, to be Paid, Year Four Thereafter Lessee, Operating Lease, Liability, to be Paid, Year Five Two Years Lessee, Operating Lease, Liability, to be Paid, Year One Outstanding letters of credit issued Letters of Credit Outstanding, Amount Committed funds Investment Company, Committed Capital Indefinite-Lived Intangible Assets, Major Class Name [Domain] Goodwill, Net Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Indefinite-Lived Intangible Assets [Axis] Schedule of Goodwill and Intangible Assets [Line Items] Schedule of Goodwill [Line Items] Indefinite-lived intangible assets: Goodwill, Impaired, Accumulated Impairment Loss [Abstract] Goodwill, Accumulated Amortization Goodwill, Impaired, Accumulated Impairment Loss Maturity date Debt Instrument, Maturity Date Notes Payable and Long-Term Debt [Line Items] Outstanding principal balance Debt Instrument, Issued, Principal Interest rate Debt Instrument, Interest Rate, Stated Percentage Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Cash paid for operating lease liabilities Operating Lease, Payments Operating lease cost Operating Lease, Cost Schedule of Components of Operating Lease Costs [Abstract] Total lease expense Lease, Cost Shareholders’ Equity [Line Items] Schedule of Non-Vested Restricted Stock Units [Line Items] Variable lease cost Variable Operating Lease Cost Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Initial lease terms Lessee, Operating Lease, Term of Contract Renewal options term Lessee, Operating Lease, Renewal Term Leases [Line Items] Leases (Details) [Table] Schedule of Other Accrued Liabilities [Abstract] Wages and other employee benefits Employee-related Liabilities, Current Taxes, other than income taxes Accrual for Taxes Other than Income Taxes, Current Gift card liability, net of breakage Gift Card Liability Net Gift card liability, net of breakage, current portion. General expense accrual and other General Expense Accrual And Other Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Professional fees Professional Fees Aggregate outstanding balance Line of Credit Facility, Maximum Amount Outstanding During Period Maturity date Line of Credit Facility, Expiration Date Borrowings facility Line of Credit Facility, Current Borrowing Capacity Interest rate Line of Credit Facility, Commitment Fee Percentage Agreed loan Long-Term Line of Credit Revolving Credit Facility [Member] Stock-based compensation cost Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Restricted stock unit vesting APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition Capital Contributed in Excess of Par Value Additional Paid-in Capital [Member] Cash-settled restricted stock units Adjustments to Additional Paid in Capital, Cash settled Restricted Stock Units Amount of adjustments to additional paid in capital, cash settled restricted stock units. NET REVENUES Revenues [Abstract] NET INCOME Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Product and Service [Axis] Restaurant sales Restaurant Sales [Member] Restaurant Sales Member Total restaurant operating costs Restaurant Operating Costs The amount of restaurant operating costs. Security Exchange Name Food and packaging costs Cost, Direct Material Depreciation and amortization Cost, Depreciation and Amortization Trading Symbol Accounts payable Accounts Payable, Current Accounts payable Increase (Decrease) in Accounts Payable Accrued and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Change in current liabilities attributable to the purchase of property and equipment Change In Accounts Payable Attributable To The Purchase Of Property And Equipment Represent the amount of change in accounts payable attributable to the purchase of property and equipment. Gain on lease terminations Gain On Lease Terminations (Gain) on lease terminations. Net change in operating lease right-of-use assets and liabilities Net Change In Operating Lease Rightofuse Assets And Liabilities Represent the amount of change in operating lease right-of-use assets and liabilities. Restricted stock unit vesting Payment For Restricted Stock Vesting Settled In Cash Payment for restricted stock vesting settled in cash. Recognition of deferred gain on sale of restaurant building Recognition Of Deferred Gain On Sale Of Restaurant Building Recognition of deferred gain on sale of restaurant building. 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] INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Receivables and prepaids Increase (Decrease) in Prepaid Expense Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Payroll and other employee benefit costs [Member] Payroll And Other Employee Benefit Costs Member Restaurant occupancy costs [Member] Restaurant Cash Occupancy Costs Member Restaurant operating costs: Operating Expenses [Abstract] Schedule Of Reportable Segments Abstract Title and Position [Axis] Title and Position [Domain] Gain on lease terminations and asset disposals Gain (Loss) on Disposition of Property Plant Equipment NET INCOME BEFORE INCOME TAXES Net income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest OTHER (EXPENSE) INCOME: Nonoperating Income (Expense) [Abstract] Total costs and expenses Restaurant-level operating profit Operating Costs and Expenses RESTAURANT OPERATING COSTS Operating Costs and Expenses [Abstract] Payments on long-term debt Repayments of Long-Term Debt Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Statement of Cash Flows [Abstract] SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Non- Controlling Interest In Partnerships Noncontrolling Interest [Member] Distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Equity Component [Domain] Common Stock Common Stock [Member] Deposits and other Increase (Decrease) in Deposit Assets Inventories Increase (Decrease) in Inventories Trademarks Finite-Lived Trademarks, Gross Fixtures and equipment Fixtures and Equipment, Gross Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Repurchases of common stock Payments for Repurchase of Common Stock Acquisition of restaurants from franchisees, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Chief Operating Decision Maker [Member] Chief Operating Decision Maker Member Consolidated [Member] Consolidated Member Food and packaging costs [Member] Food And Packaging Costs Member Franchise and other revenues Franchise And Other Revenues Franchise and other revenues. SHAREHOLDERS’ EQUITY: Equity, Attributable to Parent [Abstract] Proceeds from lease assignment and sale of fixed assets Proceeds from Sale of Property, Plant, and Equipment Contributions from non-controlling interests Proceeds from Noncontrolling Interests Borrowings from long-term debt Proceeds from Issuance of Long-Term Debt Distributions to non-controlling interests Payments to Noncontrolling Interests Payments for the purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Capital contributed in excess of par value Additional Paid in Capital ASSETS Assets [Abstract] Total current assets Assets, Current Income Statement [Abstract] Chief Executive Officer