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 (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Operations 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 Stockholders’ Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - NATURE OF BUSINESS AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - TREASURY STOCK link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - SEGMENT REPORTING link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - CORPORATE RESTRUCTURING link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - SEGMENT REPORTING (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - CORPORATE RESTRUCTURING (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - TREASURY STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - STOCK-BASED COMPENSATION - Share-Based Payment Arrangement, Restricted Stock Unit, Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - STOCK-BASED COMPENSATION - Schedule of Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - STOCK-BASED COMPENSATION - Schedule of Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - STOCK-BASED COMPENSATION - Schedule of Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - INCOME (LOSS) PER SHARE - Schedule of Basic and Diluted Loss Per Share Calculation (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - INCOME (LOSS) PER SHARE - Schedule of Antidilutive Securities Excluded From Computation of Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - SEGMENT REPORTING - Schedule of Segment Revenue and Significant Segment Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - SEGMENT REPORTING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - CORPORATE RESTRUCTURING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - CORPORATE RESTRUCTURING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - CORPORATE RESTRUCTURING - Schedule of Accrued Compensation and Benefits Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink