0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Nature of Operations and Business Activities link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair Value Measurement link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Asset Acquisitions and Dispositions link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Warrants link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Stockholders' Equity and Capitalization link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Loss Per Share of Common Stock link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Segment Reporting 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 Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Warrants (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Stockholders' Equity and Capitalization (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Loss Per Share of Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Nature of Operations and Business Activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Fair Value Measurement - Schedule of Assets Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Asset Acquisitions and Dispositions (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities - Schedule of Prepaid Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities - Schedule Of Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities - Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Prepaid Expenses, Other Current Assets, Property and Equipment and Other Current Liabilities - Schedule of Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Warrants - Schedule of Warrants Vested and Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Warrants - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Debt - Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Stockholders’ Equity and Capitalization - Reserved Shares of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Stockholders’ Equity and Capitalization - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Stock-Based Compensation - Shares Available for Future Grant (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Stock-Based Compensation - Summary of Option (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Stock-Based Compensation - Fair Value Assumptions of Stock Option Granted (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Stock-Based Compensation - Restricted Stock Awards (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Stock-Based Compensation - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Loss Per Share of Common Stock - Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Loss Per Share of Common Stock - Anti-dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Income Taxes - Components of Income (Loss) Before the Income Tax Provision (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Income Taxes - Components of Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Income Taxes - Deferred Income Tax Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Income Taxes - Prior Year Provision for Income Taxes on Earnings (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Income Taxes - Prior Year Provision for Income Taxes on Earnings (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Income Taxes - Unrecognized Tax Positions (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Commitments and Contingencies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Commitments and Contingencies - Weighted Average Remaining Lease Term and Discount Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Commitments and Contingencies - Current and Noncurrent Portions of Operating Lease (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Segment Reporting - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Segment Reporting - Schedule of Research and Development Expense by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink