Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Restructuring Plan [Axis]
Restructuring Plan [Axis]
Restructuring Plan [Domain]
Restructuring Plan [Domain]
2016 Restructuring Plan
2016 Restructuring Plan [Member]
2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Approximate reduction in workforce from restructuring plan (percent)
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent
Earnings Per Share [Abstract]
Net income (loss)
Net Income (Loss) Attributable to Parent
Weighted average shares outstanding, basic
Weighted Average Number of Shares Outstanding, Basic
Dilutive effect of employee equity incentive plans
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted average shares outstanding, diluted
Weighted Average Number of Shares Outstanding, Diluted
Net income (loss) per share, basic
Earnings Per Share, Basic
Net income (loss) per share, diluted
Earnings Per Share, Diluted
Statement of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Stock-based compensation
Share-based Compensation
Reversal of uncertain tax positions
Reversal of uncertain tax positions
Reversal of previously recorded tax contingencies due to the expiration of applicable statutes of limitation.
Write off of certain assets to restructuring
Restructuring Costs and Asset Impairment Charges
Other
Other Noncash Income (Expense)
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable, net
Increase (Decrease) in Accounts Receivable
Inventories
Increase (Decrease) in Inventories
Prepaid expenses and other current and long-term assets, net
Increase (Decrease) in Prepaid Expense and Other Assets
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued current and long-term liabilities
Increase (Decrease) in Accrued Liabilities
Income taxes payable
Increase (Decrease) in Income Taxes Payable
Net cash used in operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of common stock under employee equity incentive plans
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options
Payments on asset financings
Repayments of Other Debt
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Net increase (decrease) in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents, beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents, end of period
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes, net of refunds received
Income Taxes Paid
Cash paid during the period for interest
Interest Paid
Non-cash investing and financing activities:
Noncash Investing and Financing Items [Abstract]
Acquisitions of property and equipment and other assets under extended payment terms
Fixed asset and other asset expenses incurred but not yet paid
Acquisitions of property and equipment and other assets under extended payment terms.
Balance Sheet Related Disclosures [Abstract]
Accounts Receivable, Net
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Allowance for Doubtful Accounts
Allowance for Credit Losses on Financing Receivables [Table Text Block]
Inventories
Schedule of Inventory, Current [Table Text Block]
Property and Equipment, Net
Schedule of property and equipment [Table Text Block]
Schedule of property and equipment
Accrued Liabilities and Current Portion of Long-Term Liabilities
Schedule of Accrued Liabilities [Table Text Block]
Liability for Warranty Returns
Schedule of Product Warranty Liability [Table Text Block]
Balance Sheet Components
Balance sheet components [Text Block]
Balance sheet components [Text Block]
Segment Reporting [Abstract]
Schedule of Revenue by Major Customers, by Reporting Segments [Table]
Schedule of Revenue by Major Customers, by Reporting Segments [Table]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Revenue, net
Sales [Member]
Major Customers [Axis]
Customer [Axis]
Name of Major Customer [Domain]
Customer [Domain]
All distributors
All Distributors [Member]
All Distributors [Member]
Distributor A
Distributor A [Member]
Distributor A [Member]
Top five end customers
Top five end customers [Member]
Top five end customers [Member]
End customer A
End customer A [Member]
End customer A [Member]
End customer B
End customer B [Member]
End customer B [Member]
Revenue, Major Customer
Revenue, Major Customer [Line Items]
Percentage of revenue
Concentration Risk, Percentage
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Accounts receivable, net
Accounts Receivable, Net, Current
Inventories
Inventory, Net
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Total current assets
Assets, Current
Property and equipment, net
Property, Plant and Equipment, Net
Other assets, net
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued liabilities and current portion of long-term liabilities
Accrued Liabilities, Current
Current portion of income taxes payable
Accrued Income Taxes, Current
Total current liabilities
Liabilities, Current
Long-term liabilities, net of current portion
Accounts Payable and Accrued Liabilities, Noncurrent
Income taxes payable, net of current portion
Accrued Income Taxes, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 10)
Commitments and Contingencies
Shareholders’ equity:
Stockholders' Equity Attributable to Parent [Abstract]
Preferred stock
Preferred Stock, Value, Issued
Common stock
Common Stocks, Including Additional Paid in Capital
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Total shareholders’ equity
Stockholders' Equity Attributable to Parent
Total liabilities and shareholders’ equity
Liabilities and Equity
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cost of revenue — restructuring:
Cost of Sales [Member]
Operating expenses — restructuring:
Operating Expense [Member]
Tooling and inventory write offs
Inventory Write-down
Employee severance and benefits
Severance Costs
Licensed technology and other assets write offs
Asset Impairment Charges
Other
Other Restructuring Costs
Total restructuring expense
Restructuring, Settlement and Impairment Provisions
Research and Development [Abstract]
Research and Development
Collaborative Arrangement Disclosure [Text Block]
Deferred research and development reimbursement
deferred research and development reimbursement
Deferred benefit for reimbursement payments associated with development agreements
Accrued commissions and royalties
Accrued Commisions and Royalties, Current
Carrying value as of the balance sheet date of obligations incurred through that date and payable for commisions and royalties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Accrued interest payable
Interest Payable, Current
Accrued payroll and related liabilities
Employee-related Liabilities, Current
Current portion of accrued liabilities for asset financings
Other Liabilities, Current
Liability for warranty returns
Standard Product Warranty Accrual
Accrued costs related to restructuring
Restructuring Reserve, Current
Other
Other Accrued Liabilities, Current
Accrued liabilities and current portion of long-term liabilities
Gross carrying amount
Property, Plant and Equipment, Gross
Less: accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment, net
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Income Statement [Abstract]
Statement [Table]
Statement [Table]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Cost of revenue
Statement [Line Items]
Statement [Line Items]
Revenue, net
Revenue, Net
Cost of revenue (1)
Cost of Goods and Services Sold
Gross profit
Gross Profit
Operating expenses:
Operating Expenses [Abstract]
Research and development (2)
Research and Development Expense
Selling, general and administrative (3)
Selling, General and Administrative Expense
Restructuring
Total operating expenses
Operating Expenses
Income (loss) from operations
Operating Income (Loss)
Interest expense and other, net
Other Nonoperating Income (Expense)
Income (loss) before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Provision for income taxes
Income Tax Expense (Benefit)
Net income (loss)
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of period
Allowance for Doubtful Accounts Receivable, Current
Additions charged (reductions credited)
Allowance for Doubtful Accounts Receivable, Period Increase (Decrease)
Balance at end of period
Movement in Standard Product Warranty Accrual [Roll Forward]
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of period
Provision (benefit)
Standard Product Warranty Accrual, Period Increase (Decrease)
Charge-offs
Standard Product Warranty Accrual, Payments
Balance at end of period
Number of patents held
Number of Patents
Number of patents held by the Company related to visual display of digital image data.
Adjustment to retained earnings
Adjustment to retained earnings
Cumulative-effect adjustment to retained earnings for a change in policy election to account for forfeitures as they occur, consistent with guidance in ASU 2016-09.
Finished goods
Inventory, Finished Goods, Net of Reserves
Work-in-process
Inventory, Work in Process, Net of Reserves
Inventories
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Line of credit facility, component of calculation for maximum borrowing amount under formula advances
Line of credit facility, component of calculation for maximum borrowing amount under formula advances
Maximum amount available to borrow under revolving line of credit is limited by the lesser of $10 million or $1 million plus 80% of eligible domestic accounts receivable and certain foreign accounts receivable.
Line of credit facility maximum borrowing capacity limited by eligible AR
Line of credit facility maximum borrowing capacity limited by eligible AR
Maximum amount available to borrow under revolving line of credit is limited by the lesser of $10 million or $1 million plus 80% of eligible domestic accounts receivable and certain foreign accounts receivable.
Line of credit facility, maximum borrowing capacity under non-formula advances
Line of credit facility, maximum borrowing capacity under non-formula advances
Line of credit facility, maximum borrowing capacity under non-formula advances which may be made solely during the last five busines days of any fiscal month or quarter and which must be repaid by the Company on or before the fifth business day after the applicable fiscal month or quarter end.
Research And Development Benefit Recognized
Research And Development Benefit Recognized
Offset to research and development expense under development agreements.
Amount receivable as of date of development agreement
Amount receivable as of date of development agreement
Amounts receivable upon signing of co-development agreement.
Amounts payable upon completion of milestones
Amounts payable upon completion of milestones
Amounts payable upon completion of certain development milestones for development agreements entered into.
Restructuring
Restructuring and Related Activities Disclosure [Text Block]
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Entities [Table]
Entities [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Entity Information [Line Items]
Entity Information [Line Items]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Earnings Per Share
Earnings Per Share [Text Block]
Revenue by Geography [Table]
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Statement, Geographical [Axis]
Geographical [Axis]
Segment, Geographical [Domain]
Geographical [Domain]
Japan
JAPAN
Taiwan
TAIWAN, PROVINCE OF CHINA
Europe
Europe [Member]
Korea
KOREA, REPUBLIC OF
China
CHINA
United States
UNITED STATES
Other
Geographical Region Other [Member]
Other [Member]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Restructuring Expense by Components
Restructuring and Related Costs [Table Text Block]
Schedule of Accrued Restructuring Liabilities
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Employee severance and benefits
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2016
Restructuring Reserve
Expensed
Restructuring Charges
Payments
Payments for Restructuring
Balance as of March 31, 2017
Fair Value Disclosures [Abstract]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Level 1
Fair Value, Inputs, Level 1 [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Level 3
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds
Cash and Cash Equivalents, Fair Value Disclosure
Income Tax Disclosure [Abstract]
Reversal of uncertain tax positions
Liability for uncertain tax positions
Liability for Uncertain Tax Positions, Noncurrent
Reduction to deferred tax assets
Reduction to deferred tax assets
Reduction to deferred tax assets
Estimated decrease in total gross unrecognized tax benefits as a result of resolutions of global tax examinations and expiration of applicable statutes of limitations, including interest and penalties
Decrease in Unrecognized Tax Benefits is Reasonably Possible
Excess tax benefits
Excess Tax Benefits
Amount of excess tax benefits for which a benefit could not be previously recognized until adoption of ASU 2016-09.
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Accounts Receivable
Accounts Receivable [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Segment Reporting Information
Segment Reporting Information [Line Items]
Number of customers included in five largest customer concentration disclosure
Segment Reporting, Additional Information about Entity's Reportable Segments
Concentration risk benchmark percentage
Concentration risk benchmark percentage
Percentage threshold over which a concentration risk is deemed to exist necessitating disclosure.
Risks and Uncertainties [Abstract]
Risks and Uncertainties
Concentration Risk Disclosure [Text Block]
Account W
Account A [Member]
Account A [Member]
Account X
Account B [Member]
Account B [Member]
Account Y
Account C [Member]
Account C [Member]
Account Z
Account D [Member]
Account D [Member]
Percentage of accounts receivable
Fair Value Measurements
Fair Value Disclosures [Text Block]
Incomes Taxes
Income Tax Disclosure [Text Block]
Employee equity incentive plans (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Antidilutive Securities Excluded from Computation of Earnings Per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Schedule of Revenue by Geographic Region
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Schedule of Revenue from Significant Customers
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
Schedule of Accounts Receivable Percentage from Significant Customers
Schedule of accounts receivable percentages from significant customers [Table Text Block]
This element may be used to disclose the percentage of accounts receivable from individual significant customers, those representing 10% or more of total accounts receivable.
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Receivables, Policy
Receivables, Policy [Policy Text Block]
Inventory, Policy
Inventory, Policy [Policy Text Block]
Co-Development Arrangements, Policy
Collaborative Arrangement, Accounting Policy [Policy Text Block]
Accounts Receivable, Net [Abstract]
Accounts Receivable, Net [Abstract]
Accounts receivable, gross
Accounts Receivable, Gross
Less: allowance for doubtful accounts
Accounts receivable, net
Schedule of Fair Value, Assets Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Segment Information
Segment Reporting Disclosure [Text Block]
Research and development
Research and Development Expense [Member]
Selling, general and administrative
General and Administrative Expense [Member]
Stock-based compensation
Allocated Share-based Compensation Expense
Restructuring