Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Stock Payable [Member] Retained Earnings [Member] Parent [Member] Noncontrolling Interest [Member] Intangible Asset, Finite-Lived, Class [Axis] Patents [Member] Inventory [Axis] Collapsible Containers [Member] Actuators [Member] Genny's [Member] Long-Term Debt, Type [Axis] Promissory Note [Member] Shareholder Note Payable [Member] Transaction Type [Axis] Promissory Note Agreement [Member] Significant Shareholder Note Payable [Member] CEO With Promissory Note [Member] Promissory Note Agreement 1 [Member] Promissory Note Agreement 2 [Member] Promissory Note Agreement 3 [Member] Promissory Note Agreement 4 [Member] Significant Shareholder With Promissory Note [Member] Promissory Note Agreement 5 [Member] Promissory Note Agreement 6 [Member] Title and Position [Axis] Relative Of Company CEO [Member] Chief Executive Officer [Member] Class of Stock [Axis] Debt Conversion Description [Axis] Notes Payable Converted [Member] Stock Conversion Description [Axis] Options Exercised [Member] Merger Agreement 2021 [Member] Underwriting Agreement [Member] Sale of Stock [Axis] Public Offering [Member] Plan Name [Axis] 2020 Equity Incentive Plan [Member] Counterparty Name [Axis] Drew Hall [Member] Garrett Hall [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Albanese [Member] William R Benz [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Auditor Name Auditor Firm ID Auditor Location Statement of Financial Position [Abstract] Assets Current Assets: Cash Accounts receivable, net Prepaid expenses Total current assets Property and equipment, net Right of use asset, operating lease Intangible assets, net Rental inventory, net Total Assets Liabilities and Stockholders' Equity Current Liabilities: Accounts payable and accrued liabilities Notes payable – related party, current Notes payable – current Right of use liability, operating lease, current Total current liabilities Right of use liability, operating lease, non-current Notes payable – non current Total Liabilities Commitments and contingencies Stockholders' Equity: Common stock, $0.001 par value 25,000,000 shares authorized, 13,105,234 and 10,721,568 shares issued and outstanding, respectively Additional paid-in capital Subscription payable Accumulated deficit Total Stockholders' equity attributable to GenFlat Holdings, Inc. Noncontrolling interest Total stockholders’ equity Total Liabilities and Stockholders' Equity Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Revenue Cost of revenue Gross profit Operating expenses: Research and development General and administrative Impairment loss Total operating expenses Loss from operations Other income (expense): Interest expense Loss on settlement of liabilities Other income Total other income (expense) Net loss Noncontrolling interest Net loss attributable to GenFlat Holdings, Inc. Loss per share - basic attributable to GenFlat Holdings, Inc Loss per share - diluted attributable to GenFlat Holdings, Inc Loss per share - basic attributable to noncontrolling interest. Loss per share - diluted attributable to noncontrolling interest. Weighted average common shares outstanding - basic Weighted average common shares outstanding - diluted Statement [Table] Statement [Line Items] Beginning balance, value Beginning balance, shares Common stock sold for cash Common stock sold for cash, shares Common stock issued for settlement of liabilities Common stock issued for settlement of liabilities, shares Common stock cancelled Common stock cancelled, shares Exercise of common stock options Stock-based compensation Net Loss Ending balance, value Ending balance, shares Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Net loss Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization expense Stock-based compensation expense Credit losses Rental inventory – depreciation expense Loss on settlement of liabilities Changes in operating assets and liabilities: Accounts receivable Prepaid expenses Right of use asset Rental inventory Accounts payable and accrued liabilities Right of use liabilities Net cash used in operating activities Cash Flows from Investing Activities: Purchases of property and equipment Net cash used in investing activities Cash Flows from Financing Activities: Repayment on notes payable  – related party Repayment of related party advances Repayment of loans payable – related party Proceeds from related party advances Proceeds from exercise of common stock options Proceeds from notes payable Proceeds from notes payable – related party Proceeds from sale of common stock, net Net cash provided by financing activities Net change in cash Cash, at beginning of period Cash, at end of period Supplemental disclosures of cash flow information: Cash paid for interest Cash paid for income taxes Noncash financing activities: Recognition of ROU assets and liabilities Common stock issued for settlement of liabilities Common stock cancelled Pay vs Performance Disclosure [Table] Executive Category [Axis] Individual [Axis] Adjustment to Compensation [Axis] Measure [Axis] Pay vs Performance Disclosure, Table Company Selected Measure Name Named Executive Officers, Footnote Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation, Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Equity Awards Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Awards Close in Time to MNPI Disclosures [Table] Award Type [Axis] Award Timing MNPI Disclosure Award Timing Method Award Timing Predetermined Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Insider Trading Arrangements [Line Items] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Expiration Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Not Adopted Cybersecurity Risk Management, Strategy, and Governance [Abstract] Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] Cybersecurity Risk Management Processes Integrated [Flag] Cybersecurity Risk Management Processes Integrated [Text Block] Cybersecurity Risk Management Third Party Engaged [Flag] Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Cybersecurity Risk Board of Directors Oversight [Text Block] Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Role of Management [Text Block] Cybersecurity Risk Management Positions or Committees Responsible [Flag] Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] Material Cybersecurity Incident [Abstract] Material Cybersecurity Incident Nature [Text Block] Material Cybersecurity Incident Scope [Text Block] Material Cybersecurity Incident Timing [Text Block] Material Cybersecurity Incident Material Impact or Reasonably Likely Material Impact [Text Block] Material Cybersecurity Incident Information Not Available or Undetermined [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] NATURE OF BUSINESS AND GOING CONCERN Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Intangible Asset, Goodwill and Other [Abstract] INTANGIBLE ASSETS, NET Inventory Disclosure [Abstract] RENTAL INVENTORY, NET Leases LEASES Debt Disclosure [Abstract] DEBT Equity [Abstract] STOCKHOLDERS’ EQUITY Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Income Tax Disclosure [Abstract] INCOME TAXES Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Subsequent Events [Abstract] SUBSEQUENT EVENTS Basis of Presentation Principles of Consolidation Use of Estimates Cash and Cash Equivalents Accounts Receivable and the Allowances for Credit losses Rental Inventory Long-Lived Assets Impairment of Long-lived Assets Revenue Recognition Basic and Diluted Loss Per Share Income Taxes Fair Value of Financial Instruments Stock-Based Compensation Research and Development Costs Segment Reporting Leases Reclassification Recent Accounting Pronouncements Schedule of intangible assets Schedule of rental inventory Schedule of lease cost Schedule of option activity Schedule of effective income tax rate Schedule of reconciliation expected federal income tax benefit Schedule of components of deferred tax asset Allowance for doubtful accounts receivable Credit loss Uncertain tax positions Number of reportable segment Number of operating segment Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Line Items] Estimated life Total intangible assets, gross Intangible assets, accumulated amortization Purchase price Payment for patent Note payable Amortization expense Inventory, Current [Table] Inventory [Line Items] Estimated life Rental inventory, gross Accumulated depreciation Rental inventory, net Depreciation on rental inventory Number of contracted containers Number of received containers Payment for received containers Deposit for remaining containers Number of remaining containers to be received Expected additional cost for remaining containers 2027 2028 2029 Total lease payments Less: imputed interest Present value of lease liability Remaining term in years Right-of-use assets Lease liabilities Lease expense Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Line Items] Debt face amount Interest rate Promissory note repaid Repayment of notes payable Principal and accrued interest Notes payable Accrued interest Conversion of Stock, Shares Issued Other Notes Payable Loss on settlement Maturity date Repayments of notes payable related party Note balance Interest Received advances Repaid total advances Advances from related parties Options outstanding Weighted average exercise price, beginning balance Options granted Weighted average exercise price, granted Options exercised Weighted average exercise price, exercised Options cancelled and expired Options forfeited and expired Options outstanding, ending balance Weighted average exercise price, ending balance Stock, Class of Stock [Table] Class of Stock [Line Items] Reverse stock split Stock issued new, shares Proceeds from common stock Stock issued Proceeds from stock Debt converted, shares issued Debt converted, amount converted Stock issued for options exercised, shares Proceeds from options exercisd Stock cancelled during period Stock issued for subscription Aggregate issued shares Number of shares sold Warrant purchase Warrant exercise price Warrant fair value Volatility rate Risk-free rate Estimated term Dividend rate Commissions and incurred other closing costs Shares available for grant Shares available for future issuance Stock options exercisable Number of shares issued Cash proceeds Share-Based Payment Arrangement, Noncash Expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Related Party Transaction [Table] Related Party Transaction [Line Items] Annual salary Lease expire date Monthy rent expense Debt face amount Accrued interest Advances from related party Federal statutory income tax rate Change in valuation allowance Net effective income tax rate Expected federal income tax benefit at statutory rate before valuation allowance Less: Valuation allowance Income tax benefit Net deferred tax assets before valuation allowance Less: Valuation allowance Net deferred tax assets Operating Loss Carryforwards Collaborative Arrangement and Arrangement Other than Collaborative [Table] Other Commitments [Line Items] Base salary Base salary increase Annual cash bonus Commission revenue received percentage Restricted stock units granted Stock options grant Stock options, vested shares Stock options vest increments Stock options, vesting shares each anniversary Stock Payable [Member] Collapsible Containers [Member] Actuators [Member] Genny's [Member] Relative Of Company CEO [Member] Drew Hall [Member] CEO With Promissory Note [Member] Promissory Note Agreement 6 [Member] Notes Payable Converted [Member] Options Exercised [Member] 2020 Equity Incentive Plan [Member] Assets, Current Assets [Default Label] Liabilities, Current Liabilities Equity, Attributable to Parent Equity, Including Portion Attributable to Noncontrolling Interest Liabilities and Equity Gross Profit Operating Expenses Operating Income (Loss) Interest Expense, Nonoperating Nonoperating Income (Expense) Net Income (Loss) Attributable to Noncontrolling Interest Shares, Outstanding Stock Redeemed or Called During Period, Value Increase (Decrease) in Accounts Receivable Increase (Decrease) in Prepaid Expense IncreaseDecreaseInRightOfUseAssets Increase (Decrease) in Inventories and Other Operating Assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments to Acquire Property, Plant, and Equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation RepaymentOfLoansPayableRelatedParty Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation CommonStockIssuedForSettlementOfLiabilities Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name Lessee, Leases [Policy Text Block] Intangible Asset, Finite-Lived, Accumulated Amortization InventoryUsefulLife Inventory, Net Lessee, Operating Lease, Liability, to be Paid Lessee, Operating Lease, Liability, Undiscounted Excess Amount Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Debt Instrument, Issued, Principal Accrued Liabilities Effective Income Tax Rate Reconciliation, Percent Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance