0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - COLLABORATION AND LICENSE AGREEMENTS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - SHARE-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - RETIREMENT PLAN link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - IMPAIRMENT CHARGES link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - DISCONTINUED OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE AND ASSETS HELD FOR SALE link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - ELO TRANSACTION link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - WARRANTS link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - SEGMENT REPORTING link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - SHARE-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - DISCONTINUED OPERATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE AND ASSETS HELD FOR SALE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - WARRANTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - SEGMENT REPORTING (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Depreciation and Amortization Periods of Property, Equipment and Software (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - COLLABORATION AND LICENSE AGREEMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - SHARE-BASED COMPENSATION - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - SHARE-BASED COMPENSATION - Schedule of Employee and Nonemployee Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - SHARE-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - SHARE-BASED COMPENSATION - Schedule of Stock Options Valuation Assumptions Using a Black-Scholes Option Pricing Model (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - SHARE-BASED COMPENSATION - Summary of Activity of Option Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - SHARE-BASED COMPENSATION - Summary of Activity of RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - SHARE-BASED COMPENSATION - Summary of Stock Options Granted under the Stock Option Plans are Vested or Expected to Vest (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - SHARE-BASED COMPENSATION - Summary of Stock Option Outstanding under the Stock Option Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - RETIREMENT PLAN (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - IMPAIRMENT CHARGES (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - DISCONTINUED OPERATIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - DISCONTINUED OPERATIONS - Schedule of Assets and Liabilities of Discontinued Operations on Company's Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - DISCONTINUED OPERATIONS - Schedule of Results of Operations of Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - DISCONTINUED OPERATIONS - Schedule of Significant Non-cash Items Related to Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - EARNINGS PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE AND ASSETS HELD FOR SALE - Schedule of Property, Equipment, and Software (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - PROPERTY, EQUIPMENT AND SOFTWARE AND ASSETS HELD FOR SALE - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - INTANGIBLE ASSETS - Schedule of Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - INTANGIBLE ASSETS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - FAIR VALUE MEASUREMENTS - Summary of Financial Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - FAIR VALUE MEASUREMENTS - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - ELO TRANSACTION (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - WARRANTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - WARRANTS - Schedule of Estimated Fair Value of Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - WARRANTS - Summary of Warrant Liability (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - COMMITMENTS AND CONTINGENCIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - COMMITMENTS AND CONTINGENCIES - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Future Lease Payments under Non-Cancelable Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Future Lease Payments under Non-Cancelable Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Stockholders' Equity - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - INCOME TAXES - Schedule of Components of Loss (Income) Before Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - INCOME TAXES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - INCOME TAXES - Reconciliation of Federal Statutory Income Tax Rate and Income Tax Benefit (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - INCOME TAXES - Schedule of Cash Income Taxes Paid (Received) (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - SEGMENT REPORTING - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - SEGMENT REPORTING - Summary of Significant Research and Development and General and Administrative Expense to CODM (Details) link:presentationLink link:calculationLink link:definitionLink