1100100 - Statement - BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1200100 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1200200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1200500 - Statement - CONSOLIDATED STATEMENTS OF CASHFLOWS link:presentationLink link:calculationLink link:definitionLink 1240301 - Disclosure - FAIR VALUE MEASURES (Details) link:presentationLink link:calculationLink link:definitionLink 1240704 - Disclosure - COMMITMENTS AND CONTINGENCIES - Maturities of lease liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 1240704 - Disclosure - COMMITMENTS AND CONTINGENCIES - Maturities of lease liabilities (Details) Calc 2 link:presentationLink link:calculationLink link:definitionLink 1240902 - Disclosure - COMMON STOCK - Common stock reserved (Details) link:presentationLink link:calculationLink link:definitionLink 1241201 - Disclosure - INCOME TAXES - Components of the Company's loss before income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 1241202 - Disclosure - INCOME TAXES - Effective tax reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 1241203 - Disclosure - INCOME TAXES - Components of the Company's deferred tax assets (Details) link:presentationLink link:calculationLink link:definitionLink 1241403 - Disclosure - SEGMENT INFORMATION - Long-lived assets by physical geographical location (Details) link:presentationLink link:calculationLink link:definitionLink 1241404 - Disclosure - SEGMENT INFORMATION - Capital expenditures by geographical location (Details) link:presentationLink link:calculationLink link:definitionLink 2100100 - Statement - CONDENSED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 2100200 - Statement - CONDENSED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 2100400 - Statement - CONDENSED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2200100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 2200200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 2200300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 2200500 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2200505 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 2240301 - Disclosure - FAIR VALUE MEASURES (Details) link:presentationLink link:calculationLink link:definitionLink 2240401 - Disclosure - PROPERTY AND EQUIPMENT - Property and equipment, net (Details) link:presentationLink link:calculationLink link:definitionLink 2240501 - Disclosure - ACCRUED EXPENSES (Details) link:presentationLink link:calculationLink link:definitionLink 2240802 - Disclosure - COMMITMENTS AND CONTINGENCIES - Components of lease expenses (Details) link:presentationLink link:calculationLink link:definitionLink 1100090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 1100105 - Statement - BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1100200 - Statement - STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1100300 - Statement - STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 1100305 - Statement - STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1100400 - Statement - STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1110101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1110201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 1110301 - Disclosure - INITIAL PUBLIC OFFERING link:presentationLink link:calculationLink link:definitionLink 1110401 - Disclosure - PRIVATE PLACEMENT link:presentationLink link:calculationLink link:definitionLink 1110501 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 1110601 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 1110701 - Disclosure - SHAREHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 1110801 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 1110901 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 1111001 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 1120202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 1130203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 1130803 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 1130903 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 1140101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 1140201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Liquidity and Capital Resources (Details) link:presentationLink link:calculationLink link:definitionLink 1140202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 1140203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments Held in Trust Account (Details) link:presentationLink link:calculationLink link:definitionLink 1140204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 1140205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Class A Ordinary Shares Subject to Possible Redemption (Details) link:presentationLink link:calculationLink link:definitionLink 1140206 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Income per Ordinary Share (Details) link:presentationLink link:calculationLink link:definitionLink 1140301 - Disclosure - INITIAL PUBLIC OFFERING (Details) link:presentationLink link:calculationLink link:definitionLink 1140401 - Disclosure - PRIVATE PLACEMENT (Details) link:presentationLink link:calculationLink link:definitionLink 1140501 - Disclosure - RELATED PARTY TRANSACTIONS - Founder Shares (Details) link:presentationLink link:calculationLink link:definitionLink 1140502 - Disclosure - RELATED PARTY TRANSACTIONS - Others (Details) link:presentationLink link:calculationLink link:definitionLink 1140601 - Disclosure - COMMITMENTS AND CONTINGENCIES - Registration Rights (Details) link:presentationLink link:calculationLink link:definitionLink 1140602 - Disclosure - COMMITMENTS AND CONTINGENCIES - Underwriting Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 1140603 - Disclosure - COMMITMENTS AND CONTINGENCIES - PIPE Financing (Details) link:presentationLink link:calculationLink link:definitionLink 1140604 - Disclosure - COMMITMENTS AND CONTINGENCIES - Registration Rights Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 1140701 - Disclosure - SHAREHOLDERS' DEFICIT (Details) link:presentationLink link:calculationLink link:definitionLink 1140801 - Disclosure - FAIR VALUE MEASUREMENTS - Company's assets and liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 1140802 - Disclosure - FAIR VALUE MEASUREMENTS - Market assumptions for valuation of the public warrants (Details) link:presentationLink link:calculationLink link:definitionLink 1140803 - Disclosure - FAIR VALUE MEASUREMENTS - Criteria for determining market implied likelihood of completing a business combination measurement input (Details) link:presentationLink link:calculationLink link:definitionLink 1140901 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 1200105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1200205 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1200400 - Statement - CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 1240202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 1240205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Convertible Promissory Notes - Related Parties, Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 1240206 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Stock-Based Compensation and Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 1240302 - Disclosure - FAIR VALUE MEASURES - Roll forward of Financial Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 1240303 - Disclosure - FAIR VALUE MEASURES - Assumptions used in valuing warrant liabilities and convertible promissory notes (Details) link:presentationLink link:calculationLink link:definitionLink 1240305 - Disclosure - FAIR VALUE MEASURES - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 1240401 - Disclosure - PROPERTY AND EQUIPMENT - Property and equipment, net (Details) link:presentationLink link:calculationLink link:definitionLink 1240402 - Disclosure - PROPERTY AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 1240402 - Disclosure - PROPERTY AND EQUIPMENT Default (Details) link:presentationLink link:calculationLink link:definitionLink 1240601 - Disclosure - CONVERTIBLE PROMISSORY NOTES - Components of the company's indebtedness (Details) link:presentationLink link:calculationLink link:definitionLink 1240602 - Disclosure - CONVERTIBLE PROMISSORY NOTES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 1240701 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 1240801 - Disclosure - REDEEMABLE CONVERTIBLE PREFERRED STOCK - Preferred stock (Details) link:presentationLink link:calculationLink link:definitionLink 1241001 - Disclosure - RETIREMENT PLAN (Details) link:presentationLink link:calculationLink link:definitionLink 1241001 - Disclosure - RETIREMENT PLAN Default (Details) link:presentationLink link:calculationLink link:definitionLink 1241102 - Disclosure - STOCK BASED COMPENSATION - Share-Based Compensation Awards (Details) link:presentationLink link:calculationLink link:definitionLink 1241103 - Disclosure - STOCK BASED COMPENSATION - Share-Based Compensation Awards Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 1241104 - Disclosure - STOCK BASED COMPENSATION - Stock-based compensation expense (Details) link:presentationLink link:calculationLink link:definitionLink 1241104 - Disclosure - STOCK BASED COMPENSATION - Stock-based compensation expense Default (Details) link:presentationLink link:calculationLink link:definitionLink 1241105 - Disclosure - STOCK BASED COMPENSATION - Schedule of stock options activity (Details) link:presentationLink link:calculationLink link:definitionLink 1241106 - Disclosure - STOCK BASED COMPENSATION - Stock options (Details) link:presentationLink link:calculationLink link:definitionLink 1241107 - Disclosure - STOCK BASED COMPENSATION - Weighted average assumptions RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 1241108 - Disclosure - STOCK BASED COMPENSATION - Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 1241109 - Disclosure - STOCK BASED COMPENSATION - Restricted Stock Awards (Details) link:presentationLink link:calculationLink link:definitionLink 1241204 - Disclosure - INCOME TAXES - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 1241302 - Disclosure - NET LOSS PER COMMON SHARE - Anti-dilutive securities (Details) link:presentationLink link:calculationLink link:definitionLink 1241402 - Disclosure - SEGMENT INFORMATION - Reconciliation of net loss (Details) link:presentationLink link:calculationLink link:definitionLink 1241501 - Disclosure - RELATED PARTY TRANSACTIONS - Collaboration Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 1241501 - Disclosure - RELATED PARTY TRANSACTIONS - Collaboration Arrangements Default (Details) link:presentationLink link:calculationLink link:definitionLink 1241502 - Disclosure - RELATED PARTY TRANSACTIONS - Secondary Share Sale (Details) link:presentationLink link:calculationLink link:definitionLink 1241503 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 1241601 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2100105 - Statement - CONDENSED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2100300 - Statement - CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 2100305 - Statement - CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2110101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS link:presentationLink link:calculationLink link:definitionLink 2110201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2110301 - Disclosure - INITIAL PUBLIC OFFERING link:presentationLink link:calculationLink link:definitionLink 2110401 - Disclosure - PRIVATE PLACEMENT link:presentationLink link:calculationLink link:definitionLink 2110501 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2110601 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2110701 - Disclosure - SHAREHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 2110801 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 2110901 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 2111001 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2120202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2130203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2130803 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2130903 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2140101 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2140201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Liquidity and Capital Resources (Details) link:presentationLink link:calculationLink link:definitionLink 2140202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 2140203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments Held in Trust Account (Details) link:presentationLink link:calculationLink link:definitionLink 2140204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 2140205 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Class A Ordinary Shares Subject to Possible Redemption (Details) link:presentationLink link:calculationLink link:definitionLink 2140206 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Income per Ordinary Share (Details) link:presentationLink link:calculationLink link:definitionLink 2140301 - Disclosure - INITIAL PUBLIC OFFERING (Details) link:presentationLink link:calculationLink link:definitionLink 2140401 - Disclosure - PRIVATE PLACEMENT (Details) link:presentationLink link:calculationLink link:definitionLink 2140501 - Disclosure - RELATED PARTY TRANSACTIONS - Founder Shares (Details) link:presentationLink link:calculationLink link:definitionLink 2140502 - Disclosure - RELATED PARTY TRANSACTIONS - Others (Details) link:presentationLink link:calculationLink link:definitionLink 2140601 - Disclosure - COMMITMENTS AND CONTINGENCIES - Registration Rights (Details) link:presentationLink link:calculationLink link:definitionLink 2140602 - Disclosure - COMMITMENTS AND CONTINGENCIES - Underwriting Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 2140603 - Disclosure - COMMITMENTS AND CONTINGENCIES - PIPE Financing (Details) link:presentationLink link:calculationLink link:definitionLink 2140604 - Disclosure - COMMITMENTS AND CONTINGENCIES - Registration Rights Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 2140701 - Disclosure - SHAREHOLDERS' DEFICIT (Details) link:presentationLink link:calculationLink link:definitionLink 2140801 - Disclosure - FAIR VALUE MEASUREMENTS - Company's assets and liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2140802 - Disclosure - FAIR VALUE MEASUREMENTS - Market assumptions for valuation of the public warrants (Details) link:presentationLink link:calculationLink link:definitionLink 2140803 - Disclosure - FAIR VALUE MEASUREMENTS - Criteria for determining market implied likelihood of completing a business combination measurement input (Details) link:presentationLink link:calculationLink link:definitionLink 2140901 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2200105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2200205 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2200400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' DEFICIT link:presentationLink link:calculationLink link:definitionLink 2230603 - Disclosure - CONVERTIBLE PROMISSORY NOTES - RELATED PARTIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2240101 - Disclosure - The Company (Details) link:presentationLink link:calculationLink link:definitionLink 2240202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Collaboration Arrangements and Partnership Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 2240204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Convertible Promissory Notes, Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2240302 - Disclosure - FAIR VALUE MEASURES - Roll forward of Financial Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2240303 - Disclosure - FAIR VALUE MEASURES - Assumptions used in valuing warrant liabilities and convertible promissory notes (Details) link:presentationLink link:calculationLink link:definitionLink 2240304 - Disclosure - FAIR VALUE MEASURES - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 2240402 - Disclosure - PROPERTY AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 2240402 - Disclosure - PROPERTY AND EQUIPMENT Default (Details) link:presentationLink link:calculationLink link:definitionLink 2240601 - Disclosure - CONVERTIBLE PROMISSORY NOTES - RELATED PARTIES - Components of the company's indebtedness (Details) link:presentationLink link:calculationLink link:definitionLink 2240701 - Disclosure - CONVERTIBLE PROMISSORY NOTES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2240702 - Disclosure - CONVERTIBLE PROMISSORY NOTES - Components of the company's indebtedness (Details) link:presentationLink link:calculationLink link:definitionLink 2240801 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 2240901 - Disclosure - REDEEMABLE CONVERTIBLE PREFERRED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 2241102 - Disclosure - STOCK BASED COMPENSATION - Share-Based Compensation Awards (Details) link:presentationLink link:calculationLink link:definitionLink 2241103 - Disclosure - STOCK BASED COMPENSATION - Share-Based Compensation Awards Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 2241104 - Disclosure - STOCK BASED COMPENSATION - Stock-based compensation expense (Details) link:presentationLink link:calculationLink link:definitionLink 2241104 - Disclosure - STOCK BASED COMPENSATION - Stock-based compensation expense Default (Details) link:presentationLink link:calculationLink link:definitionLink 2241105 - Disclosure - STOCK BASED COMPENSATION - Schedule of stock options activity (Details) link:presentationLink link:calculationLink link:definitionLink 2241106 - Disclosure - STOCK BASED COMPENSATION - Stock options (Details) link:presentationLink link:calculationLink link:definitionLink 2241202 - Disclosure - NET LOSS PER COMMON SHARE - Anti-dilutive securities (Details) link:presentationLink link:calculationLink link:definitionLink 2241302 - Disclosure - SEGMENT INFORMATION - Reconciliation of net loss (Details) link:presentationLink link:calculationLink link:definitionLink 2241401 - Disclosure - RELATED PARTY TRANSACTIONS - Collaboration Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 2241401 - Disclosure - RELATED PARTY TRANSACTIONS - Collaboration Arrangements Default (Details) link:presentationLink link:calculationLink link:definitionLink 2241402 - Disclosure - RELATED PARTY TRANSACTIONS - Consulting Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 2241501 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink 1200300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1200505 - Statement - CONSOLIDATED STATEMENTS OF CASHFLOWS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 1210101 - Disclosure - The Company link:presentationLink link:calculationLink link:definitionLink 1210201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 1210301 - Disclosure - FAIR VALUE MEASURES link:presentationLink link:calculationLink link:definitionLink 1210401 - Disclosure - PROPERTY AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 1210501 - Disclosure - ACCRUED EXPENSES link:presentationLink link:calculationLink link:definitionLink 1210601 - Disclosure - CONVERTIBLE PROMISSORY NOTES link:presentationLink link:calculationLink link:definitionLink 1210701 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 1210801 - Disclosure - REDEEMABLE CONVERTIBLE PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 1210901 - Disclosure - COMMON STOCK link:presentationLink link:calculationLink link:definitionLink 1211001 - Disclosure - RETIREMENT PLAN link:presentationLink link:calculationLink link:definitionLink 1211101 - Disclosure - STOCK BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 1211201 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 1211301 - Disclosure - NET LOSS PER COMMON SHARE link:presentationLink link:calculationLink link:definitionLink 1211401 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 1211501 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 1211601 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 1220202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 1230203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 1230303 - Disclosure - FAIR VALUE MEASURES (Tables) link:presentationLink link:calculationLink link:definitionLink 1230403 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 1230503 - Disclosure - ACCRUED EXPENSES (Tables) link:presentationLink link:calculationLink link:definitionLink 1230603 - Disclosure - CONVERTIBLE PROMISSORY NOTES (Tables) link:presentationLink link:calculationLink link:definitionLink 1230703 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 1230803 - Disclosure - REDEEMABLE CONVERTIBLE PREFERRED STOCK (Tables) link:presentationLink link:calculationLink link:definitionLink 1230903 - Disclosure - COMMON STOCK (Tables) link:presentationLink link:calculationLink link:definitionLink 1231103 - Disclosure - STOCK BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 1231203 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 1231303 - Disclosure - NET LOSS PER COMMON SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 1231403 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 1240101 - Disclosure - The Company (Details) link:presentationLink link:calculationLink link:definitionLink 1240201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basis of presentation and foreign currency (Details) link:presentationLink link:calculationLink link:definitionLink 1240203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Collaboration Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 1240204 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Transaction Costs, Warrant Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 1240304 - Disclosure - FAIR VALUE MEASURES - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 1240501 - Disclosure - ACCRUED EXPENSES (Details) link:presentationLink link:calculationLink link:definitionLink 1240702 - Disclosure - COMMITMENTS AND CONTINGENCIES - Components of lease expenses (Details) link:presentationLink link:calculationLink link:definitionLink 1240703 - Disclosure - COMMITMENTS AND CONTINGENCIES - Other information (Details) link:presentationLink link:calculationLink link:definitionLink 1240901 - Disclosure - COMMON STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 1241101 - Disclosure - STOCK BASED COMPENSATION - Equity Compensation Plans, Modification of Awards (Details) link:presentationLink link:calculationLink link:definitionLink 1241301 - Disclosure - NET LOSS PER COMMON SHARE - Basic and diluted losses per share (Details) link:presentationLink link:calculationLink link:definitionLink 1241303 - Disclosure - NET LOSS PER COMMON SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 1241401 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2210101 - Disclosure - The Company link:presentationLink link:calculationLink link:definitionLink 2210201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2210301 - Disclosure - FAIR VALUE MEASURES link:presentationLink link:calculationLink link:definitionLink 2210401 - Disclosure - PROPERTY AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 2210501 - Disclosure - ACCRUED EXPENSES link:presentationLink link:calculationLink link:definitionLink 2210601 - Disclosure - CONVERTIBLE PROMISSORY NOTES - RELATED PARTIES link:presentationLink link:calculationLink link:definitionLink 2210701 - Disclosure - CONVERTIBLE PROMISSORY NOTES link:presentationLink link:calculationLink link:definitionLink 2210801 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2210901 - Disclosure - REDEEMABLE CONVERTIBLE PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 2211001 - Disclosure - COMMON STOCK link:presentationLink link:calculationLink link:definitionLink 2211101 - Disclosure - STOCK BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2211201 - Disclosure - NET LOSS PER COMMON SHARE link:presentationLink link:calculationLink link:definitionLink 2211301 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 2211401 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2211501 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2220202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2230303 - Disclosure - FAIR VALUE MEASURES (Tables) link:presentationLink link:calculationLink link:definitionLink 2230403 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 2230503 - Disclosure - ACCRUED EXPENSES (Tables) link:presentationLink link:calculationLink link:definitionLink 2230703 - Disclosure - CONVERTIBLE PROMISSORY NOTES (Tables) link:presentationLink link:calculationLink link:definitionLink 2230803 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2231103 - Disclosure - STOCK BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2231203 - Disclosure - NET LOSS PER COMMON SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2231303 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2240201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Principles of Consolidation (Details) link:presentationLink link:calculationLink link:definitionLink 2240203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Deferred Transaction Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2240803 - Disclosure - COMMITMENTS AND CONTINGENCIES - Other information (Details) link:presentationLink link:calculationLink link:definitionLink 2241001 - Disclosure - COMMON STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 2241101 - Disclosure - STOCK BASED COMPENSATION - Equity Compensation Plans (Details) link:presentationLink link:calculationLink link:definitionLink 2241201 - Disclosure - NET LOSS PER COMMON SHARE - Basic and diluted losses per share (Details) link:presentationLink link:calculationLink link:definitionLink 2241203 - Disclosure - NET LOSS PER COMMON SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 2241301 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink