Equity Components [Axis] Ordinary Shares [Member] Related Party [Axis] Majority Shareholder [Member] Powerbridge Zhuhai [Member] Sale of Stock [Axis] IPO [Member] Over-Allotment Option [Member] Geographical [Axis] HONG KONG [Member] Wuhan Honggang [Member] Shantou Hongrui [Member] Chongqing Powerbridge [Member] Ningbo Powerbridge [Member] Scenarios [Axis] Scenarios, Forecast [Member] Loan To Third Parties [Member] Common Stock Share subscription receivable Additional Paid-In Capital Retained Earnings / Accumulated Deficit Noncontrolling Interest Other Comprehensive Income / Loss Concentration Risk Benchmark [Axis] Accounts Receivable [Member] Balance Sheet Location [Axis] Prepaid Expenses and Other Current Assets [Member] Property, Plant and Equipment, Type [Axis] Computer Equipment [Member] Furniture and Fixtures [Member] Capitalized development cost [Member] Automobiles [Member] Mr. Stewart Lor [Member] Mr.Ban Lors [Member] Mr. Zongbo Jiang [Member] Short-term Debt, Type [Axis] Notes payable [Member] Loan from Bank of Communication [Member] Loan from China Construction Bank [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Loan from Bank of China [Member] Cash and Cash Equivalents [Axis] Cash Equivalents [Member] Collateral [Axis] Collateral Pledged [Member] Mr. Ban Lor and secured [Member] Loan from Dongguan Bank [Member] Guangzhou Powerbridge Blockchain [Member] Hengqin Baisheng [Member] Range [Axis] Minimum [Member] Maximum [Member] Other Capitalized Property Plant and Equipment [Member] Sales Revenue, Net [Member] Customer [Axis] Customer One [Member] Customer Two [Member] Assets, Total [Member] Suppliers One [Member] Suppliers Two [Member] Accounts Payable [Member] Suppliers Three [Member] Plan Name [Axis] Stock option plan [Member] Powerbridge Zhuhai and Powerbridge Beijing [Member] Class of Warrant or Right [Axis] Warrant [Member] Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Amendment Flag Current Fiscal Year End Date Document Type Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Interactive Data Current Entity Incorporation State Country Code Entity Current Reporting Status Entity Filer Category Entity Ex Transition Period Entity Shell Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Document Annual Report Document Transition Report Document Shell Company Report Entity File Number Statement of Financial Position [Abstract] ASSETS CURRENT ASSETS: Cash Restricted cash Notes receivable Accounts receivable, net Prepaid expense – related parties Due from related parties Loans to third parties Contract costs Prepayments, deposits and other current assets, net Total Current Assets Property and equipment, net Prepayments, deposits and other assets, net Deferred tax assets Total Assets LIABILITIES AND EQUITY CURRENT LIABILITIES: Bank loans Notes payable Accounts payable Customer deposits Deferred revenue Salaries and benefits payable Due to related party Taxes payable Total Current Liabilities COMMITMENTS AND CONTINGENCIES EQUITY: Ordinary Shares, 0.00166667 par value; 30,000,000 shares authorized,8,967,748 and 6,905,248 shares issued and outstanding as of December 31, 2019 and 2018* Shares subscription receivable Additional Paid-in Capital Retained earnings (accumulated deficit) Accumulated other comprehensive (loss) income Total Powerbridge Technologies Co., Ltd.’s Shareholders’ Equity Non-controlling interest Total Equity Total Liabilities and Equity Ordinary shares, par value Ordinary shares, authorized Ordinary shares, issued Ordinary shares, outstanding Income Statement [Abstract] REVENUES: Application development services Consulting and technical support services Subscription services Total revenues COST OF REVENUES Cost of application development services Cost of consulting and technical support services Cost of subscription services Total cost of revenues GROSS PROFIT OPERATING EXPENSES Sales and marketing General and administrative Provision for doubtful accounts Research and development Share based compensation Total operating expenses OPERATING (LOSS) INCOME FROM OPERATIONS OTHER INCOME (LOSS) INCOME BEFORE INCOME TAXES INCOME TAX (BENEFITS) EXPENSES NET (LOSS) INCOME Less: (loss) income attributable to non-controlling interests NET (LOSS) INCOME ATTRIBUTABLE TO POWERBRIDGE OTHER COMPREHENSIVE INCOME (LOSS) Foreign currency translation adjustment COMPREHENSIVE (LOSS) INCOME Less: comprehensive (loss) income attributable to non-controlling interest COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO POWERBRIDGE WEIGHTED AVERAGE NUMBER OF ORDINARY SHARES Basic and diluted (LOSS) EARNINGS PER SHARE Basic and diluted Statement [Table] Statement [Line Items] Retained Earnings (accumulated deficit) Non-controlling interest Accumulated other comprehensive) income (loss) Balance Balance, Shares Issuance of shares –initial public offering, net of issuance costs Issuance of shares –initial public offering, net of issuance costs, shares Capital contribution by non-controlling shareholder Restricted shares issued for services Restricted shares issued for services Options granted for services Net income (loss) for the year Foreign currency translation adjustment Balance Balance, Shares Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net income Adjustments to reconcile net income from operations to net cash provided by (used in) operating activities: Depreciation and amortization Loss from disposal of property and equipment Deferred tax (benefit) provision Changes in assets and liabilities: Notes receivable Accounts receivable Contract costs Prepayments, deposits and other assets Accounts payable Notes payable Salaries and benefits payable Prepaid expense – related parties Taxes payable Deferred revenue Customer deposits NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES CASH FLOWS FROM INVESTING ACTIVITIES: Loans to third parties Purchases of property and equipment Proceeds from disposal of property and equipment NET CASH USED IN INVESTING ACTIVITIES CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds from bank loans Repayments of bank loans Proceeds from Initial Public Offering Payment of Initial Public Offering costs Payments to related parties Proceeds from related parties Capital contribution by non-controlling shareholder NET CASH PROVIDE BY (USED IN) FINANCING ACTIVITIES EFFECT OF EXCHANGE RATE CHANGES NET INCREASE (DECREASE) IN CASH AND RESTRICTED CASH CASH AND RESTRICTED CASH- beginning of year CASH AND RESTRICTED CASH  - end of year SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: Cash paid for: Interest Income taxes NON-CASH TRANSACTIONS OF INVESTING AND FINANCING ACTIVITIES Unpaid Furniture and fixture costs accrued Reclassification of deferred offering costs to additional paid in capital Warrants issued to placement agents in connection with the Company’s Initial Public Offering RECONCILIATION TO AMOUNTS ON CONSOLIDATED BALANCE SHEETS: Cash Restricted cash Total cash and restricted cash Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of business and organization Accounting Policies [Abstract] Summary of significant accounting policies Receivables [Abstract] Accounts receivable, net Prepayments Deposits And Other Assets Net [Abstract] Prepayments, deposits and other assets, net Loans To Third Parties [Abstract] Loans to third parties Property, Plant and Equipment [Abstract] Property and equipment, net Related Party Transactions [Abstract] Related party balances and transactions Notes Payable [Abstract] Notes payable Bank Loan [Abstract] Bank loans Income Tax Disclosure [Abstract] Taxes Equity [Abstract] Equity Commitments and Contingencies Disclosure [Abstract] Commitments and contingencies Segment Reporting [Abstract] Segment reporting Subsequent Events [Abstract] Subsequent events Basis of presentation Principles of consolidation Liquidity Use of estimates Foreign currency translation Fair value measurements Cash Restricted cash Accounts receivable, net Notes receivable Prepayments, deposits and other assets Property and equipment, net Capitalized development costs Impairment for long-lived assets Revenue recognition Contract costs Contract balance Deferred revenue Government subsidies Advertising expenditures Operating leases Income taxes Value added tax Employee defined contribution plan (Loss) earnings per share Share-Based compensation Comprehensive income (loss) Statement of Cash Flows Commitments and Contingencies Segment reporting Concentrations of Risks Reclassifications Recently issued accounting pronouncements Schedule of property and equipment, net Schedule of accounts receivable, net Schedule of movement of allowance for doubtful accounts Schedule of prepayments, deposits and other assets, net Schedule of allowance for doubtful accounts Schedule of property and equipment, net Schedule of estimated amortization of capitalized development cost Schedule of notes payable Schedule of short-term bank loan Schedule of provision for income taxes Schedule of effective tax rate Schedule of deferred tax assets Schedule of taxes payable Schedule of estimate the fair value of stock options Schedule of stock options Schedule of minimum lease payment under these operating leases Schedule of revenues Hong Kong [Member] Nature of Business and Organization (Textual) Company issued, shares Per share Gross proceeds Net proceeds Description of reverse stock split Authorized number of ordinary shares Outstanding shares Description of equity interest ownership percentage Percentage of ownership interest Statistical Measurement [Axis] Office equipment, fixtures and furniture [Member] Capitalized development costs and software acquired [Member] Computer equipment [Member] Estimated useful lives Summary of Significant Accounting Policies (Textual) Revenue recognition ,terms Cash balances Security deposits Restricted cash Deferred revenue, description VAT rates Cash and restricted cash Functional currency, description Concentrations of risk, percentage Maturity period, description Impairment long-lived assets. Value added tax, description Number of reportable segment Negative working capital Negative cash flow from operations Net loss Provision for doubtful accounts increased Wrote off Working capital loan agreement, description Contract fulfillment cost Deferred revenue Balance of customer deposit Advertising expense Prepayments, deposits and other current assets General and administrative expenses Schedule of accounts receivable, net Accounts receivable Less: Allowance for doubtful accounts Total accounts receivable, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts, Notes, Loans and Financing Receivable [Line Items] Schedule of movement of allowance for doubtful accounts Beginning balance Written-off Foreign currency translation adjustments Ending balance Accounts Receivable, Net (Textual) Unbilled accounts receivable Billed accounts receivable Total accounts receivable Percentage of accounts receivable Percentage of billed accounts receivable Percentage of unbilled accounts receivable Unbilled accounts receivables, description Wrote off accounts receivable Advances to suppliers Security deposits Advances to employees Prepaid expense Deferred offering cost Others Prepayments, deposits and other assets, net Less: Long term portion Allowance for doubtful accounts Prepayments, deposits and other assets - current portion (Recovery) provision for doubtful accounts Foreign currency translation adjustments Loan to Third Parties [Member] Loans to Third Parties (Textual) Loan to third parties Annual Interest rate Due date Loan from third parties Capitalized development cost and software acquired [Member] Subtotal Less: accumulated depreciation and amortization Total 2020 2021 2022 2023 2024 Thereafter Total Property and Equipment, Net (Textual) Depreciation and amortization expense Amortization expense Related Party Balances and Transaction (Textual) Balance due from related party Consulting fee prepayment Company loaned related party controlled Annual interest rate Loan due date Balance due to related party Advances repaid, description Advanced to related party Bank notes payable from Bank of Communication Notes Payable [Member] Notes Payable (Textual) Deposit of restricted cash Maturity date Percentage of bank charge Bank loan Bank Loans (Textual) Bank loan Annual interest rate Loan term Restricted cash deposit Interest expense Repaid in aggregate amount Account receivable Weighted average interest rate Current Deferred Total income tax (benefits) expenses PRC statutory rates Preferential tax rates R&D credits Change in valuation allowance and others Effective tax rate Deferred tax assets: Provision for doubtful accounts Depreciation and amortization Net operating loss carryforward Valuation allowance Total deferred tax assets Income taxes payable VAT and other tax payable Totals Taxes (Textual) Unified enterprise income tax rate Subsidiaries in PRC are subject to income tax rate Income tax rate Statutory income tax rate Reduced income tax rate Tax holidays decreased income taxes Net income per share (basic and diluted) Valuation allowance against Value add tax exemption amounted Value add tax standard rates Description of net operating loss carryforwards Risk-free interest rate Expected life of the options Expected volatility Expected dividend yield Fair value Number of Share Options Beginning balance Granted Expired, forfeited or cancelled Ending balance Exercisable Weighted Average Exercise Price Beginning balance Granted Expired, forfeited or cancelled Ending balance Exercisable Weighted Average Remaining Contractual Term Exercisable Aggregate Intrinsic Value Beginning balance Granted Expired, forfeited or cancelled Ending balance Stock Option Plan [Member] Equity (Textual) Ordinary, shares issued Ordinary, shares outstanding Ordinary shares reserved, description Stock options issued Minimum percentage of respective registered capital Minimum percentage of after-tax profits to statutory reserve Exercise price Registered capital Statutory reserve Statutory reserve percentage Expire date Grants contractual term Initial public offering , description Public offering warrants, description Restricted shares issued for consulting services, description Consulting fee expense Unrecognized share based compensation expense Stock option, description Share-based compensation expenses Summary of minimum lease payment 2020 2021 2022 Total Commitments and Contingencies (Textual) Lease expiration period Rent expense Application development services Consulting and technical support services Subscription services Total revenues Segment Reporting (Textual) Number of operating segment Revenue of included in development service Subsequent Events (Textual) Loan payable Fixed annual interest rate Ordinary shares issued Shares price Gross proceeds from IPO Aggregate ordinary shares issued and outstanding Description of line of credit Line of credit maximum amount Withdrew from line of credit Line of credit interest rate Line of credit due date Description of consulting agreement Accounts Receivable, Net (Textual). Description of advances repaid. Aggregate ordinary shares issued and outstanding. Application development services. Amount received for services rendered and products shipped, yet to be billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. Consulting and technical support services. Cost of consulting and technical support services. Cost of subscription services. Amount of depreciation and amortization. Permanent difference and others. Percentage 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 preferential tax rate. Percentage of statutory income tax rate. Tabular disclosure of employee defined contribution plan. Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Risk-free interest rate assumption used in valuing an instrument. Gross proceeds from IPO. Carrying value as of the balance sheet date of income tax payable. Percentage of unified enterprise income tax rate. The entire disclosure for loans to third parties. Minimum percentage of after-tax profits to statutory reserve. Minimum percentage of respective registered capital. The entire disclosure for notes payable. Ordinary shares reserved description. Percentage of accounts receivable. Percentage of bank charge. Percentage of billed accounts receivable. Percentage of unbilled accounts receivable. Amount of prepaid expense. Prepaid expense advances to employees. Prepaid expense allowance for doubtful accounts. Prepaid expense – related parties. Prepaid expense security deposits. The entire disclosure of prepayments, deposits and other assets, net. Disclosure of accounting policy for prepayments, deposits and other assets. Revenue recognition terms. Revenue of included in development service. Schedule of allowance for doubtful accounts. Tabular disclosure of notes payable. Schedule of prepayments, deposits and other assets, net. Number of equity instruments other than options outstanding, including both vested and non-vested instruments. The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Share based compensation arrangement by share based payment award options outstanding weighted average exercise price one. Statement of Cash Flows. Amount of statutory reserve. Number of shares stock options issued. Subscription services. Description of unbilled accounts receivables. Description value added tax. Disclosure of accounting policy value added tax. Amount of value add tax exemption. Percentage of value add tax standard rates. Carrying value as of the balance sheet date of VAT tax payable. Amount of withdrew from line of credit The increase (decrease) during the period in the amount of customer money held in customer accounts, including security deposits, collateral for a current or future transactions, initial payment of the cost of acquisition or for the right to enter into a contract or agreement. The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. Disclosure of accounting policy for government subsidies. Amount of notes payable for the period. Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent. Description of consulting agreement. Provision for doubtful accounts increased. Description of net operating loss carryforwards. Revenue from application development services. Revenue from consulting and technical support services. Revenue from subscription services. Capital contribution by non-controlling shareholder. Amount of foreign currency translation adjustments. Assets, Current Assets Liabilities, Current Stockholders' Equity Note, Subscriptions Receivable Stockholders' Equity Attributable to Parent Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Liabilities and Equity Cost of Revenue Gross Profit Operating Expenses Operating Income (Loss) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Earnings Per Share, Basic and Diluted Shares, Outstanding Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Other Comprehensive Income (Loss), Net of Tax Gain (Loss) on Disposition of Assets Increase (Decrease) in Notes Receivable, Current Increase (Decrease) in Accounts Receivable ContractCost Increase (Decrease) in Other Current Assets Increase (Decrease) in Accounts Payable IncreaseDecreaseInNotesPayable Increase (Decrease) in Deferred Compensation Increase (Decrease) in Due from Related Parties, Current Increase (Decrease) in Accrued Taxes Payable Increase (Decrease) in Deferred Revenue IncreaseDecreaseInCustomerDeposit Payments for (Proceeds from) Loans Receivable Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities Repayments of Bank Debt Payments for Repurchase of Initial Public Offering ProceedsFromCapitalContributionByNoncontrollingShareholder Net Cash Provided by (Used in) Financing Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents ReconciliationOfCashDuringPeriod ReconciliationOfRestrictedCashDuringPeriod ReconciliationOfCashAndRestrictedCashDuringPeriod Loans, Notes, Trade and Other Receivables Disclosure [Text Block] PrepaymentsDepositsAndOtherAssetsNetTextBlock LoansToThirdPartiesTextBlock Property, Plant and Equipment Disclosure [Text Block] NotesPayableDisclourseTextBlock Short-term Debt [Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Receivable [Policy Text Block] NotesReceivablePolicyTextBlock Property, Plant and Equipment, Policy [Policy Text Block] ContractCostsPolicyTextBlock Revenue Recognition, Deferred Revenue [Policy Text Block] Income Tax, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Property, Plant and Equipment [Table Text Block] Deferred Revenue Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss PrepaidExpenseSecurityDeposits Prepaid Expense Prepaid Expense and Other Assets, Noncurrent ForeignCurrencyTranslationAdjustments Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Finite-Lived Intangible Assets, Net Short-term Debt Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts DeferredTaxAssetsDepreciationAndAmortization Deferred Tax Assets, Valuation Allowance Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number One Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price One Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Warrantsterm ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePriceOne ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedIntrinsicValue ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueExpiredForfeitedOrCancelled Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments Due RevenueFromApplicationDevelopmentServices RevenueFromConsultingAndTechnicalSupportServices RevenueFromSubscriptionServices