Class of Stock [Axis] Total current assets Total assets Related and Nonrelated Parties [Axis] Total current liabilities Total Abpro Holdings, Inc.’s stockholders’ deficit Total stockholders’ deficit Balance Balance Total liabilities and stockholders’ deficit Total operating expenses Loss from operations Total other (expense) income, net Net loss Net loss Balance (in Shares) Balance (in Shares) Balance (in Shares) Balance (in Shares) Equity Components [Axis] Net cash used in operating activities Net cash provided by financing activities Net change in cash and restricted cash Cash and restricted cash - beginning of period Cash and restricted cash - end of period Total cash and restricted cash as presented in the balance sheet Organization and Description of the Business [Abstract] Summary of Significant Accounting Policies [Abstract] Antidilutive Securities [Axis] Accrued Expenses [Abstract] Schedule of Accrued Expenses [Abstract] Total accrued expenses Accrued expenses Fair Value Measurements [Abstract] Asset Class [Axis] Fair Value Hierarchy and NAV [Axis] Measurement Input Type [Axis] Statistical Measurement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Fair value as of January 1, 2026 Fair value as of March 31, 2026 License and Collaboration Agreements [Abstract] Commitments under Research and Collaboration Agreements [Abstract] Commitments and Contingencies [Abstract] Forward Purchase Agreement [Abstract] Notes Payable [Abstract] Standby Equity Purchase Agreement [Abstract] Stockholders’ Equity [Abstract] Class of Warrant or Right [Axis] Share-Based Compensation [Abstract] Schedule of Company’s Stock Option Activity [Abstract] Number of stock options, outstanding balance Number of stock options, outstanding balance Weighted-average exercise price, outstanding balance Weighted-average exercise price, outstanding balance Number of shares, Unvested Number of shares, Unvested Weighted-average grant date fair value, Unvested Weighted-average grant date fair value, Unvested Statement of Income, Location [Axis] Related Parties [Abstract] Subsequent Events [Abstract] Assets Current assets: Cash Accounts receivable Prepaid expenses and other current assets Security deposits SEPA put rights asset Restricted cash Patents, net Liabilities and stockholders’ deficit Current liabilities: Accounts payable Notes payable, current – related parties Commitments and Contingencies (Note 7) Stockholders’ deficit: Preferred stock, $0.0001 par value, 1,000,000 shares authorized; zero shares issued and outstanding Preferred stock, par value (in Dollars per share) Preferred stock, shares authorized (in Shares) Preferred stock, shares authorized Preferred stock, shares issued (in Shares) Preferred stock, shares issued Preferred stock, shares outstanding (in Shares) Preferred stock, shares outstanding Common stock, $0.0001 par value; 110,000,000 shares authorized; 5,896,048 and 2,733,263 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively Common stock, par value (in Dollars per share) Common stock, shares authorized (in Shares) Common stock, shares authorized Common stock, shares issued (in Shares) Common stock shares issued (in Shares) Common stock, shares outstanding (in Shares) Common stock shares outstanding (in Shares) Additional paid-in capital Accumulated deficit Non-controlling interest Operating expenses: Research and development General and administrative Other (expense) income: Other income Interest income Change in fair value of forward purchase agreement asset Change in fair value of SEPA put rights asset Change in fair value of embedded derivative liability Basic (in Dollars per share) diluted (in Dollars per share) Weighted average shares outstanding - basic (in Shares) Weighted average shares outstanding - diluted (in Shares) Issuance of Advance Shares, net of issuance costs Aggregate purchase price of newly issued shares Net proceeds Issuance of Advance Shares, net of issuance costs (in Shares) Aggregate of shares (in Shares) Common stock warrants shares (in Shares) Common stock shares (in Shares) Share issue (in Shares) Net of issuance costs Net proceeds Share-based compensation Common stock issued for services Common stock issued for services (in Shares) Warrants issued to related party lender Cash Flows from Operating Activities: Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization expense Share-based compensation Amortization of operating lease right-of-use assets Noncash interest expense Amortization of debt discount Changes in operating assets and liabilities: Accounts payable Accrued expenses Operating lease liability Cash Flows from Financing Activities: Gross proceeds from issuance of Advance Shares Proceeds from settlement of Forward Purchase Agreement Proceeds from related party loan Supplemental disclosure of cash flow information and non-cash transactions: Accrued issuance costs for Advance Shares Fair value of common stock issued for services Prepaid expenses financed through Note payable As reported within the unaudited condensed consolidated balance sheets: Restricted cash Interest expense Change in fair value of forward purchase agreement asset Change in fair value of SEPA put rights asset Change in fair value of embedded derivative liability Accounts receivable Prepaid expenses and other current assets Payments on Notes payable Repayment of note payable Common Stock, $0.0001 par value per share Warrants to purchase Common Stock Warrants To Purchase Common Stock [Member] Warrants To Purchase Common Stock Outstanding [Member] Related Party Related Party [Member] Common Stock Treasury Stock Additional Paid-In Capital Accumulated Deficit Total Abpro’s Stockholders’ Deficit Non-controlling Interest Organization and Description of the Business Summary of Significant Accounting Policies Schedule of Diluted Net Loss Per Share Dilutive shares Accrued Expenses Schedule of Accrued Expenses Accrued salaries and wages Accrued professional fees Accrued issuance costs Accrued interest BOD compensation Other accrued expenses Fair Value Measurements Schedule of Company’s Assets and Liabilities that are Measured at Fair Value on a Recurring Basis Assets: Fair value measured assets Asset fair value Schedule of Black Scholes Model Fair value input assumptions Fair value of the executive warrants Schedule of Changes in the Fair Value of Level 3 Financial Assets and Liabilities Change in fair value License and Collaboration Agreements Commitments under Research and Collaboration Agreements Commitments and Contingencies Forward Purchase Agreement Notes Payable Standby Equity Purchase Agreement Stockholders’ Equity Schedule of Warrants to Purchase Common Stock Outstanding Warrants, Shares Warrants exercisable (in Shares) Number of warrant shares Warrants, Weighted-Average Exercise Price Warrants exercisable, price per share (in Dollars per share) Number of exercise price of warrants (in Dollars per share) Warrants, Average Remaining Contractual Life Warrant term Share-Based Compensation Schedule of Company’s Stock Option Activity Weighted-average remaining contractual life, outstanding balance Maximum contractual term Number of stock options, granted Weighted-average exercise price, granted Weighted- Average Remaining Contractual Life, granted Number of stock options, exercised Weighted-average exercise price, exercised Weighted- Average Remaining Contractual Life, exercised Weighted-average exercise price, forfeited/expired/cancelled Weighted- Average Remaining Contractual Life, forfeited/expired/cancelled Number of stock options, exercisable Weighted-average exercise price, exercisable Weighted-average remaining contractual life, exercisable