0001001 - Document - COVER PAGE link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - ORGANIZATION AND OPERATIONS link:presentationLink link:calculationLink link:definitionLink 2102102 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2203201 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2404401 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 2105103 - Disclosure - REVERSE ACQUISITION AND DISPOSAL link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - REVERSE ACQUISITION AND DISPOSAL (Tables) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - REVERSE ACQUISITION AND DISPOSAL - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - REVERSE ACQUISITION AND DISPOSAL - Summary of Purchase Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - REVERSE ACQUISITION AND DISPOSAL - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - REVERSE ACQUISITION AND DISPOSAL - Summary of Sale of Business (Details) link:presentationLink link:calculationLink link:definitionLink 2411406 - Disclosure - REVERSE ACQUISITION AND DISPOSAL - Schedule of Unaudited Pro Forma Results (Details) link:presentationLink link:calculationLink link:definitionLink 2112104 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS link:presentationLink link:calculationLink link:definitionLink 2313302 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2414407 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2415408 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2116105 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 2118106 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2319303 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2420410 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Changes in Fair Value of Level 3 Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2121107 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2322304 - Disclosure - STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 2423411 - Disclosure - STOCKHOLDERS' EQUITY - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2424412 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of Variables used in Black-Scholes Model (Details) link:presentationLink link:calculationLink link:definitionLink 2125108 - Disclosure - EQUITY-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2326305 - Disclosure - EQUITY-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2427413 - Disclosure - EQUITY-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2428414 - Disclosure - EQUITY-BASED COMPENSATION - Schedule of Fair Value Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 2429415 - Disclosure - EQUITY-BASED COMPENSATION - Summary of stock option activity (Details) link:presentationLink link:calculationLink link:definitionLink 2130109 - Disclosure - INCOME TAX link:presentationLink link:calculationLink link:definitionLink 2331306 - Disclosure - INCOME TAX (Tables) link:presentationLink link:calculationLink link:definitionLink 2432416 - Disclosure - INCOME TAX - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2433417 - Disclosure - INCOME TAX - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2434418 - Disclosure - INCOME TAX - Schedule of Effective Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 2135110 - Disclosure - PAYROLL PROTECTION PROGRAM link:presentationLink link:calculationLink link:definitionLink 2436419 - Disclosure - PAYROLL PROTECTION PROGRAM (Details) link:presentationLink link:calculationLink link:definitionLink 2137111 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2438420 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink