0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - PRESENTATION AND NATURE OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - REVENUES link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - WARRANTY AND FIELD SERVICE ACTIONS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - INVENTORY link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - ACCRUED LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - STOCKHOLDERS' EQUITY AND NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - VARIABLE INTEREST ENTITIES link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - REVENUES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - WARRANTY AND FIELD SERVICE ACTIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - INVENTORY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - ACCRUED LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - STOCKHOLDERS' EQUITY AND NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - PRESENTATION AND NATURE OF OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - REVENUES - Schedule of Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - REVENUES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - REVENUES - Schedule of Contract Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - WARRANTY AND FIELD SERVICE ACTIONS - Schedule of Warranty and Field Service Action Reserve (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - WARRANTY AND FIELD SERVICE ACTIONS - Schedule of Warranty and Field Service Action Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - INVENTORY (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT, NET - Schedule of Components of Property, Plant and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT, NET - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - DEBT - Schedule of Outstanding Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - DEBT - Green Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - DEBT - Debt Facilities Not Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - DEBT - Volkswagen Group Loan Commitment and Department of Energy Loan (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - ACCRUED LIABILITIES - Schedule of Components of Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - ACCRUED LIABILITIES - Schedule of Deferred Revenues, Lease Liabilities, and Other Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - ACCRUED LIABILITIES - Schedule of Other Noncurrent Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - STOCK-BASED COMPENSATION - Schedule of Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - STOCKHOLDERS' EQUITY AND NET LOSS PER SHARE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - STOCKHOLDERS' EQUITY AND NET LOSS PER SHARE - Schedule of Number of Potential Shares of Common Stock Outstanding Excluded from Computation of Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - STOCKHOLDERS' EQUITY AND NET LOSS PER SHARE - Schedule of Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - SEGMENT INFORMATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - SEGMENT INFORMATION - Schedule of Reconciliation From Gross Profit by Segment to Consolidated Gross Profit (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - VARIABLE INTEREST ENTITIES (Details) link:presentationLink link:calculationLink link:definitionLink