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Disclosure - PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - COMMON STOCK link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - STOCK INCENTIVE PLANS link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - OTHER EXPENSE, NET link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 0000028 - 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PREFERRED STOCK (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - STOCK INCENTIVE PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - OTHER EXPENSE, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - ORGANIZATION- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Schedule of estimated useful lives company' s property and equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - BUSINESS COMBINATION - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - BUSINESS COMBINATION - Schedule of total net proceeds from the Business Combination and the PIPE Investment (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - BUSINESS COMBINATION - Schedule of common stock issued for the consummation of the business combination (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - REVENUE RECOGNITION- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - REVENUE RECOGNITION- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - REVENUE RECOGNITION (Details) - Schedule of revenues under each performance link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - REVENUE RECOGNITION (Details) - Schedule of disaggregates revenue by geographic location link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - REVENUE RECOGNITION (Details) - Schedule of revenue recognition pattern link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - REVENUE RECOGNITION (Details) - Schedule of Service link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - PROPERTY AND EQUIPMENT, NET - Schedule of property and equipment, net (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - PROPERTY AND EQUIPMENT, NET- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - ACCRUED LIABILITIES- Schedule of Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - COMMITMENTS AND CONTINGENCIES- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of aggregate noncancelable future minimum payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - WARRANTS- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - CONVERTIBLE NOTES AND NOTE PAYABLE- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - CONVERTIBLE NOTES AND NOTE PAYABLE - Schedule of unamortized debt discount, fair value of conversion feature, and accrued interest (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - CONVERTIBLE NOTES AND NOTE PAYABLE - Schedule of the company’s debt balances (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - CONVERTIBLE NOTES AND NOTE PAYABLE - Schedule of convertible notes, debt balances (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - CONVERTIBLE NOTES AND NOTE PAYABLE - Schedule of the debt balance (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of fair value on a non-recurring basis (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - FAIR VALUE MEASUREMENTS- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of warrant liability (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - FAIR VALUE MEASUREMENTS -Schedule of value of the embedded derivative was determined as the differential value from the perspective of the with and without method (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - FAIR VALUE MEASUREMENTS - Fair Value Remeasurement of the Embedded Derivative (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of changes in fair value of the Company’s derivative liability (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - PREFERRED STOCK - Schedule of preferred stock authorized, issued and outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - PREFERRED STOCK- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - COMMON STOCK- Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - STOCK INCENTIVE PLANS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - STOCK INCENTIVE PLANS - Schedule of stock option activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - STOCK INCENTIVE PLANS - Schedule of weighted average calculated fair value of the options granted to employees (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - STOCK INCENTIVE PLANS - Schedule of restricted stock unit activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - STOCK INCENTIVE PLANS - Schedule of assumptions under the Monte Carlo simulation model and the calculated fair value of the Market-Based RSUs granted to employees (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - STOCK INCENTIVE PLANS - Schedule of operations and comprehensive loss (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - LEASES- Schedule of aggregate noncancelable future minimum lease payments under operating and finance leases (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - LEASES- Schedule of aggregate noncancelable future minimum lease payments under operating and finance leases (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - LEASES - Schedule of additional information related to the Company’s lease (Details) link:presentationLink link:calculationLink link:definitionLink 0000081 - Disclosure - LEASES - Schedule of weighted average remaining lease term and the weighted average discount rate (Details) link:presentationLink link:calculationLink link:definitionLink 0000082 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - OTHER EXPENSE, NET (Details) - Schedule of condensed consolidated statements of operations and comprehensive loss link:presentationLink link:calculationLink link:definitionLink 0000084 - Disclosure - NET LOSS PER SHARE - Schedule of the calculation of basic and diluted net loss per share (Details) link:presentationLink link:calculationLink link:definitionLink 0000085 - Disclosure - NET LOSS PER SHARE - Schedule of outstanding shares of potentially dilutive securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000086 - Disclosure - INCOME TAXES - Schedule of income (loss) before provision for income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000087 - Disclosure - INCOME TAXES- Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 0000088 - Disclosure - INCOME TAXES - Schedule of effective tax rate (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - INCOME TAXES- Schedule of net deferred tax assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - INCOME TAXES- Schedule of net deferred tax assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000090 - Disclosure - INCOME TAXES - Schedule of unrecognized tax benefits (Details) link:presentationLink link:calculationLink link:definitionLink 0000091 - Disclosure - Related Party Transactions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000092 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink