00100 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Cash and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - BALANCE SHEETS COMPONENTS - Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 40403 - Disclosure - BALANCE SHEETS COMPONENTS - Property, Plant, and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 40405 - Disclosure - BALANCE SHEETS COMPONENTS - Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40406 - Disclosure - BALANCE SHEETS COMPONENTS - Other Noncurrent Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - FAIR VALUE MEASUREMENTS - Assets and Liabilities at Fair Value, Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - LONG-TERM DEBT -Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - LONG-TERM DEBT -Schedule of Convertible Debt (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - LEASES - Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 41402 - Disclosure - LEASES - Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 41405 - Disclosure - LEASES - Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 41406 - Disclosure - LEASES - Minimum Lease Payments Under Prior Guidance (Details) link:presentationLink link:calculationLink link:definitionLink 41502 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Estimated Purchase Commitment (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - INCOME TAXES - Schedule of Components of Loss Income before Income Tax (Details) link:presentationLink link:calculationLink link:definitionLink 41603 - Disclosure - INCOME TAXES - Schedule of Components of Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 41604 - Disclosure - INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 41605 - Disclosure - INCOME TAXES - Schedule of Components of Deferred Tax Assets (Details) link:presentationLink link:calculationLink link:definitionLink 524694435 - Disclosure - LEASES - Lease Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 524704445 - Disclosure - LEASES - Minimum Lease Payments Under Prior Guidance (Details) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - DESCRIPTION OF BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 40203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Effect of Accounting Standards Update (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - REVERSE RECAPITALIZATION- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - REVERSE RECAPITALIZATION - Shares of Common Stock Issued - (Details) link:presentationLink link:calculationLink link:definitionLink 40404 - Disclosure - BALANCE SHEETS COMPONENTS - Construction in Progress (Details) link:presentationLink link:calculationLink link:definitionLink 40502 - Disclosure - FAIR VALUE MEASUREMENTS - Reconciliation of Level 3 Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - LONG-TERM DEBT - Schedule of Carrying Values and Estimated Fair Values of Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - CONTINGENT FORWARD CONTRACTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - CONTINGENT FORWARD CONTRACTS - Valuation Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - CONVERTIBLE PREFERRED STOCK WARRANT LIABILITY - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - CONVERTIBLE PREFERRED STOCK WARRANT LIABILITY - Fair Value Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - COMMON STOCK WARRANT LIABILITY - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - COMMON STOCK WARRANT LIABILITY - Fair Value of Private Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 40903 - Disclosure - COMMON STOCK WARRANT LIABILITY - Level 3 Fair Value Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - CONVERTIBLE PREFERRED STOCK - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - CONVERTIBLE PREFERRED STOCK - Schedule of Proceeds from Series D Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - CONVERTIBLE PREFERRED STOCK - Schedule of Convertible Preferred Shares (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) - Public Common Stock Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41103 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) - Common Stock Reserved for Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - EARNBACK SHARES AND WARRANTS (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - STOCK-BASED AWARDS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41303 - Disclosure - STOCK-BASED AWARDS - Valuation Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 41304 - Disclosure - STOCK-BASED AWARDS - Restricted Stock Award Activity (Details) link:presentationLink link:calculationLink link:definitionLink 41305 - Disclosure - STOCK-BASED AWARDS - Share-based Payment Arrangement, Expense (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41602 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - NET LOSS PER SHARE - Basic and Diluted Net Loss per Share (Details) link:presentationLink link:calculationLink link:definitionLink 41702 - Disclosure - NET LOSS PER SHARE - Antidilutive Securities Excluded from Earnings per Share (Details) link:presentationLink link:calculationLink link:definitionLink 41703 - Disclosure - NET LOSS PER SHARE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41901 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 42001 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - DESCRIPTION OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - REVERSE RECAPITALIZATION link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - BALANCE SHEETS COMPONENTS link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - CONTINGENT FORWARD CONTRACTS link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - CONVERTIBLE PREFERRED STOCK WARRANT LIABILITY link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - COMMON STOCK WARRANT LIABILITY link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - CONVERTIBLE PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - EARNBACK SHARES AND WARRANTS link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - STOCK-BASED AWARDS link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - EMPLOYEE BENEFIT PLAN link:presentationLink link:calculationLink link:definitionLink 11901 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 12001 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - REVERSE RECAPITALIZATION (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - BALANCE SHEETS COMPONENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - CONTINGENT FORWARD CONTRACTS (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - CONVERTIBLE PREFERRED STOCK WARRANT LIABILITY (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - COMMON STOCK WARRANT LIABILITY (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - CONVERTIBLE PREFERRED STOCK (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - STOCK-BASED AWARDS (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 31603 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 31703 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 40402 - Disclosure - BALANCE SHEETS COMPONENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - STOCK-BASED AWARDS - Schedule of Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 41403 - Disclosure - LEASES - Remaining Terms and Discount Rates (Details) link:presentationLink link:calculationLink link:definitionLink 41404 - Disclosure - LEASES - Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 41606 - Disclosure - INCOME TAXES - Schedule of Unrecognized Tax Benefits Roll Forward (Details) link:presentationLink link:calculationLink link:definitionLink 41607 - Disclosure - INCOME TAXES - Schedule of Recognized Interest Expense and Penalty Expense as Part of Income Tax Expenses in the Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 41801 - Disclosure - EMPLOYEE BENEFIT PLAN (Details) link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink