Annual report pursuant to Section 13 and 15(d)
Cover
Cover
Audit Information
Financial Statements
CONSOLIDATED STATEMENTS OF OPERATIONS
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF CASH FLOWS
CONSOLIDATED STATEMENTS OF SHAREHOLDERS??? EQUITY
Notes to Financial Statements
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES
REVENUE
ACCOUNTS RECEIVABLE
INVENTORIES
PROPERTY, PLANT AND EQUIPMENT
INTANGIBLE ASSETS
GOODWILL
LONG-TERM DEBT
WARRANTY
LEASES
INCOME TAXES
PROFIT SHARING/401K PLAN
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS
SHAREHOLDERS??? EQUITY
LOSS PER SHARE
EQUITY COMPENSATION
FAIR VALUE
SELECTED QUARTERLY FINANCIAL INFORMATION
LEGAL PROCEEDINGS
SEGMENTS
DIVESTITURE ACTIVITIES
Schedule II - Valuation and Qualifying Accounts
Pay vs Performance Disclosure
Insider Trading Arrangements
Accounting Policies
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES (Policies)
Notes Tables
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES (Tables)
REVENUE (Tables)
ACCOUNTS RECEIVABLE (Tables)
INVENTORIES (Tables)
PROPERTY, PLANT AND EQUIPMENT (Tables)
INTANGIBLE ASSETS (Tables)
GOODWILL (Tables)
WARRANTY (Tables)
LEASES (Tables)
INCOME TAXES (Tables)
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS (Tables)
SHAREHOLDERS??? EQUITY (Tables)
LOSS PER SHARE (Tables)
EQUITY COMPENSATION (Tables)
SELECTED QUARTERLY FINANCIAL INFORMATION (Tables)
SEGMENTS (Tables)
Notes Details
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES - Narrative (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES - Summary of COVID-19 Related Government Assistance (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES - Reconciliation of Cash and Restricted Cash (Details)
REVENUE - Narrative (Details)
REVENUE - Summary of Contract Assets and Liabilities (Details)
REVENUE - Summary of Revenue Disaggregated by Market (Details)
REVENUE - Summary of Disaggregated by Product Lines (Details)
ACCOUNTS RECEIVABLE - Summary of Accounts Receivable (Details)
ACCOUNTS RECEIVABLE - Allowance for Estimated Credit Losses Deducted from Accounts Receivable (Details)
INVENTORIES - Summary of Inventories (Details)
INVENTORIES - Narrative (Details)
PROPERTY, PLANT AND EQUIPMENT - Summary of Property, Plant and Equipment (Details)
INTANGIBLE ASSETS - Summary of Acquired Intangible Assets (Details)
INTANGIBLE ASSETS - Narrative (Details)
INTANGIBLE ASSETS - Summary of Future Amortization Expense for Intangible Assets (Details)
GOODWILL - Summary of Changes in Carrying Amount of Goodwill (Details)
GOODWILL - Narrative (Details)
LONG-TERM DEBT (Details)
WARRANTY - Narrative (Details)
WARRANTY - Summary of Activity in Warranty Accrual (Details)
LEASES - Narrative (Details)
LEASES - Summary of ROU Assets and Lease Liabilities (Details)
LEASES - Summary of Lease Cost and Cash Paid (Details)
LEASES - Summary of Maturity of Lease Liabilities (Details)
INCOME TAXES - Summary of Provision for (Benefit from) Income Taxes (Details)
INCOME TAXES - Summary of Effective Tax Rates Differ from Statutory Federal Income Tax (Details)
INCOME TAXES - Summary of Significant Components of Company's Deferred Tax Assets and Liabilities (Details)
INCOME TAXES - Summary of Components of Net Deferred Tax Assets and Liabilities (Details)
INCOME TAXES - Narrative (Details)
INCOME TAXES - Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Details)
PROFIT SHARING/401K PLAN (Details)
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS - Narrative (Details)
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS - Summary of Reconciliation of Beginning and Ending Balances of Projected Benefit Obligation (Details)
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS - Summary of Assumptions Used to Calculate the Post Retirement Benefit Obligation (Details)
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS - Summarizes the Components of the Net Periodic Cost (Details)
RETIREMENT PLANS AND RELATED POST RETIREMENT BENEFITS - Summary of Assumptions Used to Determine the Net Periodic Cost (Details)
SHAREHOLDERS??? EQUITY - Narrative (Details)
SHAREHOLDERS??? EQUITY - Components of Accumulated Other Comprehensive Loss (Details)
SHAREHOLDERS??? EQUITY - Components of Other Comprehensive Income (Loss) (Details)
LOSS PER SHARE - Summary of Loss Per Share Computations (Details)
LOSS PER SHARE - Narrative (Details)
EQUITY COMPENSATION - Narrative (Details)
EQUITY COMPENSATION - Summary of Compensation Expense Information Based on Fair Value of Stock Options and RSU's (Details)
EQUITY COMPENSATION - Summary of Weighted Average Fair Value of Options Granted (Details)
EQUITY COMPENSATION - Summary of Weighted-Average Assumptions (Details)
EQUITY COMPENSATION - Summary of Company's Stock Option Activity and Related Information (Details)
EQUITY COMPENSATION - Summary of Weighted Average Exercise Prices and Contractual Lives for Outstanding and Exercisable Stock Options (Details)
EQUITY COMPENSATION - Summary of Fair Value for Options Granted under Employee Stock Purchase Plan (Details)
EQUITY COMPENSATION - Summary of RSU Activity (Details)
FAIR VALUE (Details)
SELECTED QUARTERLY FINANCIAL INFORMATION - Summarizes Selected Quarterly Financial Information (Details)
SELECTED QUARTERLY FINANCIAL INFORMATION - Narrative (Details)
LEGAL PROCEEDINGS (Details)
SEGMENTS - Summary of Segment Reporting Information (Details)
SEGMENTS - Narrative (Details)
SEGMENTS - Summarizes the Company's Sales and Long-Lived Assets by Geographic Regions (Details)
SEGMENTS - Schedule of Activities with Major Customers (Details)
DIVESTITURE ACTIVITIES (Details)
Schedule II - Valuation and Qualifying Accounts (Details)
SUMMARY OF SIGNIFICANT ACCOUNTING PRINCIPLES AND PRACTICES - Summary of COVID-19 Related Government Assistance (Details)
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