0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - ORGANIZATION link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - BUSINESS COMBINATIONS link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - REVENUE RECOGNITION link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - ACCRUED LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - WARRANTS link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - NOTE PAYABLE link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - COMMON STOCK link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - STOCK INCENTIVE PLANS link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - OTHER INCOME, NET link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - BUSINESS COMBINATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - REVENUE RECOGNITION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - ACCRUED LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - STOCK INCENTIVE PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - OTHER INCOME, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - ORGANIZATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - BUSINESS COMBINATIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - BUSINESS COMBINATIONS - Schedule of Purchase Price (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - BUSINESS COMBINATIONS - Schedule of Fair Values (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - BUSINESS COMBINATIONS - Schedule of Proforma (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - REVENUE RECOGNITION - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - REVENUE RECOGNITION - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - REVENUE RECOGNITION - Schedule of revenues under each performance (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - REVENUE RECOGNITION - Schedule of disaggregates revenue by geographic location (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - REVENUE RECOGNITION - Schedule of revenue recognition pattern (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - REVENUE RECOGNITION - Schedule of Service (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - REVENUE RECOGNITION - Schedule of Contract Balance (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - ACCRUED LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Aggregate Noncancelable Future Minimum Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - WARRANTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - NOTE PAYABLE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - PREFERRED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - COMMON STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - STOCK INCENTIVE PLANS - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - STOCK INCENTIVE PLANS - Schedule of Operations and Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - OTHER INCOME, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - NET LOSS PER SHARE - Schedule of Calculation of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - NET LOSS PER SHARE - Schedule of Outstanding Shares of Potentially Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - NET LOSS PER SHARE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Financial Instruments Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - FAIR VALUE MEASUREMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Holdback Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Earnout Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink