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The Company Mast Powertrain V. The Company [Member] Mast Powertrain V. The Company [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Weighted-average remaining lease term, financing leases (in years) Finance Lease, Weighted Average Remaining Lease Term Use of Estimates Use of Estimates, Policy [Policy Text Block] Short-term financing: Short-Term Debt, Other Disclosure [Abstract] Customer A Customer A [Member] Customer A [Member] Denominator: Earnings Per Share, Diluted [Abstract] Income taxes receivable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Pacific Rim Pacific Rim [Member] Pacific Rim [Member] First Shareholder's Loan Agreement, Weichai First Shareholder's Loan Agreement, Weichai [Member] First Shareholder's Loan Agreement, Weichai Entity Small Business Entity Small Business Developed technology Developed Technology Rights [Member] Geographical [Axis] Geographical [Axis] Payments of deferred financing costs Payments of Debt Issuance Costs Accrued reimbursement Loss Contingency, Accrual, Current Year ending December 31, 2029 Lessee, Operating Lease, Liability, to be Paid, Year Five Level 3 Fair Value, Inputs, Level 3 [Member] Shareholder’s Loan Agreement Shareholder’s Loan Agreement, Weichai [Member] Shareholder’s Loan Agreement, Weichai Estimated liability Loss Contingency Accrual Antidilutive shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Accrued penalties Estimated Litigation Liability Less: imputed interest Finance Lease, Liability, Undiscounted Excess Amount Total lease cost, net Lease, Cost, Excluding Sublease Income Lease, Cost, Excluding Sublease Income Credit Facility [Domain] Credit Facility [Domain] Cash, cash equivalents, and restricted cash at beginning of the period Cash, cash equivalents, and restricted cash at end of the period Total cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Inventory raw materials provided by customers Progress Payments Netted Against Inventory for Long-Term Contracts or Programs Current assets: Assets, Current [Abstract] Goodwill Goodwill Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Tax benefit from exercise of stock based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Treasury stock (in shares) Balance at beginning of period (in shares) Balance at end of period (in shares) Treasury Stock, Common, Shares Product and Service [Domain] Product and Service [Domain] Short-term lease cost Short-Term Lease, Cost Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Depreciation Depreciation Year ending December 31, 2025 Lessee, Operating Lease, Liability, to be Paid, Year One Other financing activities, net Proceeds from (Payments for) Other Financing Activities Weighted-average discount rate for financing leases (as percent) Finance Lease, Weighted Average Discount Rate, Percent Payments made during the period Standard Product Warranty Accrual, Decrease for Payments Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Year ending December 31, 2025 Finance Lease, Liability, to be Paid, Year One Basis spread on variable rate (as percent) Debt Instrument, Basis Spread on Variable Rate Numerator: Earnings Per Share, Basic [Abstract] Total inventories Inventory, Gross Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] TOTAL LIABILITIES Liabilities Supplier A Supplier A [Member] Supplier A [Member] Short-term financing Carrying Value Short-Term Debt Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Research and development expenses Research and Development Expense Revolving Credit Facility Revolving Credit Facility [Member] Cash used in investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Jerome Treadwell v. 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Finite-Lived Intangible Assets [Line Items] Raw materials Inventory, Raw Materials, Gross Schedule of Changes in Shares of Common and Treasury Stock Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Gain or loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Cash used in financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Concentration Risk [Line Items] Concentration Risk [Line Items] Preferred stock – $0.001 par value. Shares authorized: 5,000. No shares issued and outstanding at all dates. Preferred Stock, Value, Issued Finished goods Inventory, Finished Goods, Gross Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Common Shares Outstanding Common Stocks, Including Additional Paid in Capital, Net of Discount [Abstract] Basic (in dollars per share) Earnings per share of common stock – basic (in dollars per share) Earnings Per Share, Basic Term of collaborative arrangement (in years) Collaborative Arrangement, Term Collaborative Arrangement, Term Operating cash flows paid for operating leases Operating Lease, Payments Property, plant and equipment, net Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Other Liabilities Disclosure [Abstract] Financing cash flows paid for principal portion of finance leases Finance Lease, Principal Payments Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Total current liabilities Liabilities, Current Weighted-average common shares outstanding: Shares used in computing net income per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Other Non-current Liabilities Other Liabilities Disclosure [Text Block] TOTAL ASSETS Assets Cost of sales (from related parties $40 and $245 for the three months ended September 30, 2024 and September 30, 2023, respectively, and $370 and $1,755 for the nine months ended September 30, 2024 and September 30, 2023, respectively) Cost of Goods and Services Sold Income tax receivable Income Taxes Receivable, Current Other noncurrent liabilities Other Liabilities, Noncurrent Accrued Product Warranty Movement in Standard Product Warranty Accrual [Roll Forward] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Charged to expense Inventory Valuation Reserves, Charged To Expense Inventory Valuation Reserves, Charged To Expense Commitments and Contingencies (Note 10) Commitments and Contingencies Title of 12(g) Security Title of 12(g) Security Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Repayment of short-term financings Repayment of short-term financings Repayments of Short-Term Debt Year ending December 31, 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two Year ending December 31, 2025 Long-Term Debt, Maturity, Year One $30 Million Loan Agreement Thirty Million Dollar Loan Agreement, Weichai [Member] Thirty Million Dollar Loan Agreement, Weichai Schedule of Net Sales by Geographic Area Revenue from External Customers by Geographic Areas [Table Text Block] Entity Address, City or Town Entity Address, City or Town Debt Instrument [Axis] Debt Instrument [Axis] Long-term debt: Long-Term Debt, Other Disclosure [Abstract] Net income Net income Net income – basic and diluted Net Income (Loss) Attributable to Parent Gary Winemaster v. The Company Gary Winemaster Versus The Company [Member] Gary Winemaster Versus The Company Discount amortization as interest expense (less than) Amortization of Debt Discount (Premium) Supplier recoveries Product Warranty Recoveries Product Warranty Recoveries Loss Contingencies [Table] Loss Contingencies [Table] Year ending December 31, 2028 Amortization Of Debt Discount (Premium), Year Four Amortization Of Debt Discount (Premium), Year Four Schedule of Components of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Entity File Number Entity File Number Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Revenue Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Purchased inventory Collaborative Arrangement, Inventory, Purchased Goods Collaborative Arrangement, Inventory, Purchased Goods Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other accrued liabilities (to related parties $1,829 and $1,833 as of September 30, 2024 and December 31, 2023, respectively) Other accrued liabilities Total Other Accrued Liabilities, Current Three months ending December 31, 2024 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Weighted-average remaining lease term, operating leases (in years) Operating Lease, Weighted Average Remaining Lease Term Document Period End Date Document Period End Date Inventory allowance Balance at beginning of period Balance at end of period Inventory Valuation Reserves Finance lease liability, current Finance lease liabilities, current Finance Lease, Liability, Current Total undiscounted lease payments Lessee, Operating Lease, Liability, to be Paid Recovery per intentional or reckless violation Loss Contingency, Damages Sought, Value Per Intentional Violation Loss Contingency, Damages Sought, Value Per Intentional Violation Year ending December 31, 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Revenue recognized Contract with Customer, Liability, Revenue Recognized Accounts Receivable Accounts Receivable [Member] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Litigation Case [Domain] Litigation Case [Domain] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Customer [Domain] Customer [Domain] Entity Current Reporting Status Entity Current Reporting Status Long-term debt Long-Term Debt, Excluding Notes Payable Long-Term Debt, Excluding Notes Payable Accumulated Deficit Retained Earnings [Member] Amortization of financing fees Amortization of Debt Issuance Costs Legal settlement Litigation Settlement, Fee Expense Basic (in shares) Weighted-average common shares outstanding – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Related Party [Axis] Related and Nonrelated Parties [Axis] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Increase (Decrease) in Stockholders' Equity Common and Treasury Stock Increase (Decrease) in Stockholders' Equity [Roll Forward] North America (outside of United States) North America, Excluding United States [Member] North America, Excluding United States Construction in progress Construction in Progress [Member] Contract With Customer Contract With Customer [Member] Contract With Customer Entity Filer Category Entity Filer Category Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items]