### 1. Document
- Cover
- Audit Information

### 2. Statement
- Consolidated Balance Sheets
- Consolidated Balance Sheets (Parenthetical)
- Consolidated Statements of Operations and Comprehensive Loss
- Consolidated Statements of Stockholders’ Equity (Deficit)
- Consolidated Statements of Cash Flows

### 3. Disclosure
- NATURE OF OPERATIONS AND BUSINESS
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
- REVENUE
- ACQUISITIONS
- GOODWILL AND INTANGIBLE ASSETS, NET
- FAIR VALUE MEASUREMENTS
- MARKETABLE SECURITIES
- PROPERTY AND EQUIPMENT, NET
- NOTES PAYABLE
- STOCKHOLDERS’ EQUITY (DEFICIT)
- STOCK-BASED COMPENSATION
- INCOME TAXES
- COMMITMENTS AND CONTINGENCIES
- SEGMENT INFORMATION
- SUBSEQUENT EVENTS

### 4. Detailed Disclosures
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
- REVENUE (Tables)
- ACQUISITIONS (Tables)
- GOODWILL AND INTANGIBLE ASSETS, NET (Tables)
- FAIR VALUE MEASUREMENTS (Tables)
- MARKETABLE SECURITIES (Tables)
- PROPERTY AND EQUIPMENT, NET (Tables)
- STOCKHOLDERS’ EQUITY (DEFICIT) (Tables)
- STOCK-BASED COMPENSATION (Tables)
- INCOME TAXES (Tables)
- COMMITMENTS AND CONTINGENCIES (Tables)
- NATURE OF OPERATIONS AND BUSINESS (Details)
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedules of Concentration of Risk, by Risk Factor (Details)
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Potentially Dilutive Items Outstanding (Details)
- REVENUE - Schedule of Disaggregation of Revenue (Details)
- ACQUISITIONS - Narrative (Details)
- ACQUISITIONS - Preliminary Allocation of Business Combination Purchase Price and Recognized Asset Acquired and Liability Assumed (Details)
- ACQUISITIONS - Schedule of Preliminary Fair Values of the Identified Intangible Assets Acquired (Details)
- ACQUISITIONS - Schedule of Total Fair Value of Consideration Paid in Connection with the Acquisition (Details)
- GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Goodwill (Details)
- GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Intangible Assets, Net (Details)
- GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details)
- GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Estimated Future Amortization Expense of Intangible Assets (Details)
- FAIR VALUE MEASUREMENTS - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details)
- FAIR VALUE MEASUREMENTS - Narrative (Details)
- MARKETABLE SECURITIES - Schedule of Cash Equivalents and Marketable Securities (Details)
- MARKETABLE SECURITIES - Narrative (Details)
- PROPERTY AND EQUIPMENT, NET - Schedule of Property and Equipment, Net (Details)
- PROPERTY AND EQUIPMENT, NET - Narrative (Details)
- NOTES PAYABLE (Details)
- STOCKHOLDERS’ EQUITY (DEFICIT) - Narrative (Details)
- STOCKHOLDERS’ EQUITY (DEFICIT) - Schedule of Restricted Common Stock, Restricted Stock Units and Performance-Based Restricted Stock, Activity (Details)
- STOCKHOLDERS’ EQUITY (DEFICIT) - Schedule of Information Related to Stock Options (Details)
- STOCKHOLDERS’ EQUITY (DEFICIT) - Schedule of Warrants (Details)
- STOCK-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details)
- STOCK-BASED COMPENSATION - Narrative (Details)
- INCOME TAXES - Schedule of Income Before Income Tax, Domestic and Foreign (Details)
- INCOME TAXES - Schedule of Provision for Income Taxes (Details)
- INCOME TAXES - Schedule of Income Tax Provision at the Federal Statutory Rate (Details)
- INCOME TAXES - Narrative (Details)
- INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details)
- INCOME TAXES - Net Deferred Tax Assets (Details)
- INCOME TAXES - Schedule of Beginning and Ending Unrecognized Tax Benefits (Details)
- COMMITMENTS AND CONTINGENCIES - Schedule of Lease Costs (Details)
- COMMITMENTS AND CONTINGENCIES - Schedule of Supplemental Cash Flow Information (Details)
- COMMITMENTS AND CONTINGENCIES - Schedule of Supplemental Balance Sheet Information (Details)
- COMMITMENTS AND CONTINGENCIES - Schedule of Future Minimum Payments Under Operating Leases (Details)
- COMMITMENTS AND CONTINGENCIES - Narrative (Details)
- SEGMENT INFORMATION (Details)
- SUBSEQUENT EVENTS (Details)