Related Party [Axis] Majority Shareholder [Member] Geographical [Axis] HONG KONG [Member] Range [Axis] Minimum [Member] Maximum [Member] Property, Plant and Equipment, Type [Axis] Other Capitalized Property Plant and Equipment [Member] Computer Equipment [Member] Automobiles [Member] Furniture and Fixtures [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Concentration Risk Benchmark [Axis] Sales Revenue, Net [Member] Customer [Axis] Customer One [Member] Customer Two [Member] Customer Three [Member] Accounts Receivable [Member] Customer Four [Member] Assets, Total [Member] Suppliers One [Member] Suppliers Two [Member] Suppliers Three [Member] Accounts Payable [Member] Supplier [Axis] Prepayments [Member] Suppliers Four [Member] Product and Service [Axis] Application development services [Member] Consulting and technical support services [Member] Subscription services [Member] Equity Components [Axis] Common Stock Share subscription receivable Additional Paid-In Capital Retained Earnings / Accumulated Deficit Noncontrolling Interest Other Comprehensive Income / Loss Balance Sheet Location [Axis] Prepaid Expenses and Other Current Assets [Member] Capitalized development cost [Member] Mr.Ban Lors [Member] Mr. Stewart Lor [Member] Short-term Debt, Type [Axis] Loan from China Construction Bank [Member] Loan from Bank of Communication [Member] Loan from Bank of China [Member] Loan from Dongguan Bank [Member] Notes payable [Member] Powerbridge Zhuhai [Member] Ordinary Shares [Member] Plan Name [Axis] Stock option plan [Member] Powerbridge Beijing [Member] Powerbridge Zhuhai and Powerbridge Beijing [Member] Cash and Cash Equivalents [Axis] Cash Equivalents [Member] Collateral [Axis] Collateral Pledged [Member] Scenarios [Axis] Scenarios, Forecast [Member] Sale of Stock [Axis] IPO [Member] Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Trading Symbol 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 Current Reporting Status Entity Filer Category Entity Ex Transition Period Entity Shell Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Statement of Financial Position [Abstract] ASSETS CURRENT ASSETS: Cash Restricted cash Notes receivable Accounts receivable, net Due from related parties Prepayments, deposits and other current assets, net Total Current Assets Property and equipment, net Restricted cash Prepayments, deposits and other assets, net Deferred tax assets Total Assets LIABILITIES AND EQUITY CURRENT LIABILITIES: Bank loan 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; 6,905,248 shares issued and outstanding as of December 31, 2018 and 2017 Shares subscription receivable Additional Paid-in Capital Retained earnings (accumulated deficit) Accumulated other comprehensive 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: Total revenues COST AND EXPENSES: Total cost of revenues GROSS PROFIT Operating expenses: Sales and marketing General and administrative Research and development Total operating expenses OPERATING INCOME FROM OPERATIONS OTHER INCOME (EXPENSE) Interest (expense) income Other income Other expense Total other income, net INCOME BEFORE INCOME TAXES PROVISION FOR INCOME TAXES NET INCOME Less: Income (loss) attributable to non-controlling interests NET INCOME ATTRIBUTABLE TO POWERBRIDGE OTHER COMPREHENSIVE INCOME (LOSS) Foreign currency translation adjustment COMPREHENSIVE INCOME Less: Comprehensive income (loss) attributable to non-controlling interest COMPREHENSIVE INCOME ATTRIBUTABLE TO POWERBRIDGE WEIGHTED AVERAGE NUMBER OF ORDINARY SHARES Basic and diluted EARNINGS PER SHARE Basic and diluted Statement [Table] Statement [Line Items] Ordinary Shares Additional Paid-in Capital Retained Earnings (accumulated deficit) Non-controlling interest Accumulated other comprehensive income Balance Balance, Shares Net income 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 Provision for doubtful accounts Loss from disposal of property and equipment Deferred tax provision (benefit) Changes in assets and liabilities: Notes receivable Accounts receivable Amount due from related parties Prepayments, deposits and other assets Accounts payable Notes payable Salaries and benefits payable Taxes payable Deferred revenue Customer deposits NET CASH PROVIDED BY OPERATING ACTIVITIES CASH FLOWS FROM INVESTING ACTIVITIES: Other assets -loans to others 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 loan Repayments on bank loan Repayments of related party advances 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 ACTIVITY Unpaid Furniture and fixture costs accrued 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 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 loan 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 Use of estimates Foreign currency translation Fair value measurements Cash Restricted cash Accounts receivable, net Prepayments, deposits and other assets Property and equipment, net Capitalized development costs Impairment for long-lived assets Revenue recognition Deferred revenue Government subsidies Advertising expenditures Operating leases Income taxes Value added tax Employee defined contribution plan Earnings per share Comprehensive income (loss) Statement of Cash Flows Commitments and Contingencies Segment reporting Concentrations of Risks 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 minimum lease payment under these operating leases Schedule of revenues Powerbridge Zhuhai [Member] HK [Member] Nature of Business and Organization (Textual) Company issued, shares Per share Description, Reverse stock split Authorized number of ordinary shares Outstanding shares Description, Equity interest ownership percentage Percentage of ownership interest Capitalized development costs [Member] Computer equipment [Member] Office equipment, fixtures and furniture [Member] Estimated useful lives Revenues [Member] Total Purchases [Member] 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 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 Foreign currency translation adjustments Ending balance StatementsScenarioAxis [Axis] 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 Advances to suppliers Security deposits Advances to employees Prepaid expense Loan to others 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 Prepayments, Deposits and Other Assets, Net (Textual) Subtotal Less: accumulated depreciation and amortization Total 2019 2020 2021 2022 2023 Total Property and Equipment, Net (Textual) Depreciation and amortization expense Amortization expense Mr. Ban Lor [Member] Related Party Balances and Transaction (Textual) Balance due from related party Company loaned related party controlled Annual interest rate loan due date Balance due to related party Advances repaid, Description 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 China Construction Bank [Member] Bank of Communication [Member] Bank of China [Member] Dongguan Bank [Member] Bank Loan (Textual) Bank loan Annual interest rate Loan term Restricted cash deposit Interest expense Repaid in aggregate amount Account receivable Current Deferred Total provision for income taxes PRC statutory rates Preferential tax rates R&D credits Permanent difference and others Effective tax rate Deferred tax assets: Provision for doubtful accounts Depreciation and amortization Total deferred tax assets Income taxes payable VAT and other tax payable Totals Taxes (Textual) Unified enterprise 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) Value add tax exemption amounted Value add tax standard rates 2018 Stock option plan [Member] Powerbridge Zhuhai's [Member] Powerbridge Beijing's [Member] Equity (Textual) Description of reverse stock split 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 Registered capital Statutory reserve Grants contractual term Summary of minimum lease payment 2019 2020 2021 Total Commitments and Contingencies (Textual) Lease expiration period Rent expense Segment Reporting (Textual) Number of operating segment Revenue of included in development service Initial public offering ("IPO") [Member] 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 Disclosure of accounting policy for prepayments, deposits and other assets. Disclosure of accounting policy value added tax. Tabular disclosure of employee defined contribution plan. Revenue recognition terms. Statement of Cash Flows. Accounts Receivable, Net (Textual). Percentage of accounts receivable. Percentage of billed accounts receivable. Percentage of unbilled accounts receivable. The entire disclosure of prepayments, deposits and other assets, net. Schedule of prepayments, deposits and other assets, net. Schedule of allowance for doubtful accounts. Prepaid expense security deposits. Prepaid expense advances to employees. Amount of prepaid expense. Amount of prepaid expense loan to others. Prepaid expense allowance for doubtful accounts. 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. The entire disclosure for notes payable. Tabular disclosure of notes payable. Percentage of bank charge. 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. Permanent difference and others. Amount of depreciation and amortization. Carrying value as of the balance sheet date of income tax payable. Carrying value as of the balance sheet date of VAT tax payable. Amount of value add tax exemption. Percentage of value add tax standard rates. Percentage of statutory income tax rate. Percentage of unified enterprise income tax rate. Ordinary shares reserved description. Number of shares stock options issued. Amount of statutory reserve. Minimum percentage of respective registered capital. Minimum percentage of after-tax profits to statutory reserve. Revenue of included in development service. Gross proceeds from IPO. Aggregate ordinary shares issued and outstanding. Amount of withdrew from line of credit Description value added tax. Description of unbilled accounts receivables. Description of advances repaid. Assets, Current Restricted Cash, Noncurrent Assets Liabilities, Current Stockholders' Equity Note, Subscriptions Receivable Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Parent Liabilities and Equity Gross Profit Operating Expenses Operating Income (Loss) Other Nonoperating Expense Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Net Income (Loss) Attributable to Parent 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 Other Comprehensive Income (Loss), Net of Tax Gain (Loss) on Disposition of Assets Increase (Decrease) in Notes Receivable, Current Increase (Decrease) in Accounts Receivable Increase (Decrease) in Due from Related Parties, Current Increase (Decrease) in Other Current Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Notes Payable, Current Increase (Decrease) in Deferred Compensation Increase (Decrease) in Accrued Taxes Payable Increase (Decrease) in Deferred Revenue Increase (Decrease) in Customer Deposits Net Cash Provided by (Used in) Operating Activities Payments to Acquire Loans Receivable Payments to Acquire Property, Plant, and Equipment Repayments of Bank Debt Repayments of Related Party Debt Net Cash Provided by (Used in) Financing Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents ReconciliationOfCashDuringPeriod ReconciliationOfRestrictedCashDuringPeriod ReconciliationOfCashAndRestrictedCashDuringPeriod Loans, Notes, Trade and Other Receivables Disclosure [Text Block] PrepaymentsDepositsAndOtherAssetsNetTextBlock 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] Receivables, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] 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] Allowance for Doubtful Accounts Receivable, Current Allowance for Doubtful Accounts Receivable PrepaidExpenseSecurityDeposits Prepaid Expense Prepaid Expense and Other Assets, Current Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Finite-Lived Intangible Assets, Net Bank Loans 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 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