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Document And Entity Information
Financial Statements
Unaudited Condensed Consolidated Balance Sheets
Unaudited Condensed Consolidated Balance Sheets (Parenthetical)
Unaudited Condensed Consolidated Statements of Operations
Unaudited Condensed Consolidated Statements of Comprehensive Loss
Unaudited Condensed Consolidated Statements of Cash Flows
Unaudited Condensed Consolidated Statements of Stockholders' Equity (Deficit)
Notes to Financial Statements
Basis of Presentation
Impact of COVID-19 Pandemic
Discontinued Operations
Recent Accounting Pronouncements
Revenue Recognition
Net Loss Per Share
Inventories
Composition of Certain Balance Sheet Accounts
Intangible Assets
Composition of Certain Reserves and Allowances
Long-Term Debt and Other Liabilities
Interest Costs
Leases
Commitments and Contingencies
Fair Value of Financial Assets and Liabilities
Income Tax
Employee Retirement and Postretirement Benefits
Research and Development Costs
Accounting Policies
Basis of Presentation (Policies)
Notes Tables
Discontinued Operations (Tables)
Recent Accounting Pronouncements (Tables)
Revenue Recognition (Tables)
Net Loss Per Share (Tables)
Inventories (Tables)
Composition of Certain Balance Sheet Accounts (Tables)
Intangible Assets (Tables)
Composition of Certain Reserves and Allowances (Tables)
Long-Term Debt and Other Liabilities (Tables)
Interest Costs (Tables)
Leases (Tables)
Fair Value of Financial Assets and Liabilities (Tables)
Employee Retirement and Postretirement Benefits (Tables)
Notes Details
Basis of Presentation - Additional Information (Detail)
Impact of COVID-19 Pandemic - Additional Information (Detail)
Discontinued Operations (Assets and Liabilities held for sale related to discontinued operations) (Details)
Discontinued Operations (Assets and Liabilities held for sale related to discontinued operations) (Parenthetical) (Details)
Discontinued Operations (Net loss from discontinued operations) (Details)
Discontinued Operations - Additional Information (Details)
Summary of Stock-Based Compensation Expense (Details)
Recent Accounting Pronouncements - Summary of Adoption Impact of ASC 326 on Unaudited Condensed Consolidated Balance Sheet (Detail)
Recent Accounting Pronouncements - Summary of Adoption Impact of ASC 326 on Unaudited Condensed Consolidated Balance Sheet (Parenthetical) (Detail)
Revenue Recognition - Additional Information (Detail)
Revenue Recognition - Summary of Revenue Disaggregated by Category (Detail)
Net Loss Per Share - Additional Information (Detail)
Net Loss Per Share - Computation of Basic and Diluted Earnings Per Share (Detail)
Inventories - Components of Inventories (Detail)
Composition of Certain Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Detail)
Composition of Certain Balance Sheet Accounts - Property and Equipment (Detail)
Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Assets (Detail)
Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Assets (Parenthetical) (Detail)
Composition of Certain Balance Sheet Accounts - Accrued Liabilities (Detail)
Composition of Certain Balance Sheet Accounts - Other Non-Current Liabilities (Detail)
Intangible Assets - Additional Information (Detail)
Intangible Assets - Schedule of Intangible Assets, Other than Goodwill (Detail)
Intangible Assets - Summary of Amortization Expenses (Detail)
Composition of Certain Reserves and Allowances (Detail)
Composition of Certain Reserves and Allowances - Additional Information (Detail)
Long-Term Debt and Other Liabilities - Schedule of Long-Term Debt (Detail)
Long-Term Debt and Other Liabilities - Additional Information (Detail)
Long-Term Debt and Other Liabilities - Summary of Redemption Prices Plus Accrued and Unpaid Interest (Detail)
Interest Costs - Summary of Interest Costs (Detail)
Leases - Additional Information (Detail)
Leases - Summary of our lease expense (Detail)
Leases - Other information regarding our leases (Detail)
Leases - Annual Future Minimum Obligations for Operating Leases Other than Arrangements with Commercial Airline Partners (Detail)
Commitments and Contingencies - Additional Information (Detail)
Fair Value of Financial Assets and Liabilities - Summary of Fair Value and Carrying Value of Long-Term Debt (Detail)
Fair Value of Financial Assets and Liabilities - Summary of Fair Value and Carrying Value of Long-Term Debt (Parenthetical) (Detail)
Fair Value of Financial Assets and Liabilities - Additional Information (Detail)
Income Tax - Additional Information (Detail)
Employee Retirement and Postretirement Benefits - Additional Information (Detail)
Employee Retirement and Postretirement Benefits - Summary of Stock-Based Compensation Expense by Operating Expense (Detail)
Research and Development Costs - Additional Information (Detail)
All Reports